4 Inch Backdraft Damper Back Draft Vent Duct Shutter Blocker, Backflow Ducting Insert One-Way Airflow Preventer with Inline Springs Loaded Folding Blades, HVAC Extractor Range Fan Hood Deflector
Asin: B09LYPQJFK
As an Amazon Associate we earn a fee from qualifying purchases when you follow a link to Amazon from this page. We rank the products, but the links to Amazon are promotional.💡【Easy Installation 】The Backflow Prevention Valve Is Installed By Pushing It Into The Ventilation Duct To Make It As Mobile As Possible. When The Valve Flap Is Installed Horizontally, The Position Of The Spring Should Be Horizontal So That The Valve Flap Can Be Opened And Closed Optimally. This Also Applies To Vertical Installation. Same For Vertical Installation..
💡【Needs Attention 】This Airflow Regulating Backdraft Shutter Is Installed On The Td Lip To Improve Ventilation By Preventing Air Circulation When The Fan Is Not In Use. Plastic Pipes Are Of Different Sizes And Cannot Be Used With Plastic Pipes..
💡【Multiple Usages】The Draft Blocker Is Designed For Use In Ac, Dryer Vent, Exhaust, Extractor Or Range Hoods, Heating Systems, Fans, Vents And Other Residential, Commercial And Industrial Hvac Applications. The Back Draft Damper Can Be Inserted Into A Flexible Or Non-Flexible Ventilation Duct..
💡【Practical Features】The Air Duct Choke Prevents Cold Air Or Wind From Entering The Ventilation Duct. The Backflow Flap Opens And Closes Automatically At Low Air Volumes. The Valve Is Equipped With A Smooth-Running Spring And A Rubber Gasket That Create An Airtight Seal And Grip Between The Damper And Ducts..
Features
- Quality Material The backdraft damper is made of galvanized steel, the flap leaves are made of aluminu, and the axis and spring are made of stainless steel, which can withstand temperatures up to 50 C.
- Practical Features The air duct choke prevents cold air or wind from entering the ventilation duct. The backflow flap opens and closes automatically at low air volumes. The valve is equipped with a smooth-running spring and a rubber gasket that create an airtight seal and grip between the damper and ducts.
- Easy Installation The backflow prevention valve is installed by pushing it into the ventilation duct to make it as mobile as possible. When the valve flap is installed horizontally, the position of the spring should be horizontal so that the valve flap can be opened and closed optimally. This also applies to vertical installation. Same for vertical installation.
- Multiple Usages The draft blocker is designed for use in AC, dryer vent, exhaust, extractor or range hoods, heating systems, fans, vents and other residential, commercial and industrial HVAC applications. The back draft damper can be inserted into a flexible or non-flexible ventilation duct.
- Needs Attention This airflow regulating backdraft shutter is installed on the TD lip to improve ventilation by preventing air circulation when the fan is not in use. Plastic pipes are of different sizes and cannot be used with plastic pipes.
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Brand: Miuwauer | Manufacturer: Miuwauer
See On Amazon Similar To 4 Inch Backdraft Damper Back
#1
Broan-NuTone 636 Steel Roof Vent Cap for 3" and 4" Round Duct, For Bathroom Ventilation Fans, Black
Asin: B000BQW6LE | Model: 636 | PartNumber: 636 | Ean: 0026715000609, 0049403210210, 0696335226149, 0735090814458 | UPC: 696335226149, 026715000609, 049403210210, 735090814458
Durable: Constructed Of Steel With A Black Powder Coat Finish To Ensure Durability And Lasting Use.
Easy Installation: Roof Cap Is Designed To Fit With Either A 3" Or 4" Round Duct To Provide A Simple Pitched Roof Installation.
Reliable: Includes A Built-In, Backdraft Damper And Bird Screen To Provide A Dependable Roof Cap You Can Rely On.
Features
- HIGH-QUALITY ROOF CAP: Steel roof cap for use with bathroom ventilation fans to maximize the air and sound performance of your bath fan
- RELIABLE: Includes a built-in, backdraft damper and bird screen to provide a dependable roof cap you can rely on
- DURABLE: Constructed of steel with a black powder coat finish to ensure durability and lasting use
- EASY INSTALLATION: Roof cap is designed to fit with either a 3 or 4 round duct to provide a simple pitched roof installation
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Brand: Broan-NuTone | Manufacturer: Broan-NuTone
Dimensions: 4.38 x 11.00 x 9.25 inches | Weight: 1.60 pounds
Warranty: 1 Year
See On Amazon #2
AC Infinity 4" Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 4 Ducting in Range Hoods and Bathrooms Fans
Asin: B0842XSTV9 | Model: AC-BDD4-B | PartNumber: AC-BDD4-B | Ean: 0819137021303 | UPC: 819137021303
Mounts Horizontally Or Vertically To Prevent Backflow And Debris From Entering Ducting..
Fit For 4 In. Duct Openings | Product Length: 5.03 Inches | Finish: Powder Coat.
Galvanized Steel Body With Spring-Loaded Aluminum Damper Blades That Open With Minimal Airflow..
Features Outer Rubber Gaskets That Create An Airtight Seal And Grip Between The Damper And Ducts..
Features
- An antidraft duct insert designed for use with range hoods, bathroom fans and other home HVAC applications.
- Features outer rubber gaskets that create an airtight seal and grip between the damper and ducts.
- Mounts horizontally or vertically to prevent backflow and debris from entering ducting.
- Galvanized steel body with spring-loaded aluminum damper blades that open with minimal airflow.
- Fit for 4 in. Duct Openings | Product Length: 5.03 inches | Finish: Powder Coat
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Brand: AC Infinity | Manufacturer: AC Infinity
See On Amazon #3
MIVIDE 2Pack 4 inch Backdraft Damper Duct, One Way Airflow Ducting Insert for Ducting in Range Hoods, Bathrooms Fans and kitchen Fan
Asin: B093KJ34Q8 | Ean: 0613966160321 | UPC: 613966160321
Easy To Installation: The Backflow Flap Is Installed By Inserting It Into The Ventilation Pipe Until It Stops. The Position Of The Spring Should Be Horizontal For Horizontal Installations So That It Can Open And Close Optimally. The Backdraft Shutter Is Installed So That The Damper Blades Open Only In The Outflowing Air Direction..
Wide Range Of Usages: These Draft Blocker Set Can Be Widely Applied In Exhaust Fan Pipe, A Dryer Duct, Range Hoods, Heating Ducts, Vents And Other Residential And Industrial Applications..
Practical Design: Backdraft Damper Has A Smooth-Running Spring. The Backflow Flap Opens And Closes Automatically At Low Air Volumes. Backdraft Damper Can Ventilate An Area To Avoid Toxic Fumes From Building Up..
High Quality Materials: Galvanized Steel Damper Is Made Of Quality Galvanized Steel, And The Axis And Spring Are Made Of Stainless Steel, Product Very Solid And Well Made, Good Tension On The Spring..
Features
- PRODUCT SIZE: Diameter 100MM/4 inch, length 88MM/3.5 inch, thickness 0.5MM/0.02 inch. Please confirm the size before purchase.
- HIGH QUALITY MATERIALS: Galvanized steel damper is made of quality galvanized steel, and the axis and spring are made of stainless steel, product Very solid and well made, good tension on the spring.
- EASY TO INSTALLATION: The backflow flap is installed by inserting it into the ventilation pipe until it stops. The position of the spring should be horizontal for horizontal installations so that it can open and close optimally. The backdraft shutter is installed so that the damper blades open only in the outflowing air direction.
- PRACTICAL DESIGN: Backdraft damper has a smooth-running spring. The backflow flap opens and closes automatically at low air volumes. Backdraft damper can ventilate an area to avoid toxic fumes from building up.
- WIDE RANGE OF USAGES: These draft blocker set can be widely applied in exhaust fan pipe, a dryer duct, range hoods, heating ducts, vents and other residential and industrial applications.
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Brand: MIVIDE | Manufacturer: Pei hong
Dimensions: 3.94 x 3.46 x 0.02 Inches | Weight: 0.57 pounds
See On Amazon #4
4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Asin: B099KGNZRL
【Function】This Airflow Regulating Backdraft Shutter Fits Over The Td Lip And Is Designed To Improve Ventilation By Preventing Air From Re-Circulating When The Fans Are Not In Use..
【Note】Back Draught Valves Can Be Inserted Into Ventilation Ducts Which Are Flexible Or Non Flexible. Cannot Be Used With Plastic Ducts As The Sizes Are Different. All Dimensions Are Measured Manually, Please Allow 1-3Mm Differences..
【Wide Application】 These Backdraft Dampers Can Be Widely Used In Acs, Exhaust Fans, Extractors, Range Hoods, Heating Ducts, Vents And Other Residential, Commercial And Industrial Applications..
【Installation】The Backdraft Damper Is Installed By Pushing It Into The Ventilation Pipe As Far As It Will Go. The Position Of The Spring Should Be Horizontal When The Flap Is Installed Horizontally So That It Can Be Opened And Closed Optimally. This Also Applies To The Vertical Installation..
Features
- Material The 4 inch backdraft damper is made of a Galvanized steel, the flap leaves are made of aluminum, while the Axis and spring are made of stainless steel.
- Installation The backdraft damper is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to the vertical installation.
- Function This airflow regulating backdraft shutter fits over the TD lip and is designed to improve ventilation by preventing air from re-circulating when the fans are not in use.
- Wide Application These backdraft dampers can be widely used in ACs, exhaust fans, extractors, range hoods, heating ducts, vents and other residential, commercial and industrial applications.
- Note Back draught valves can be inserted into ventilation ducts which are flexible or non flexible. Cannot be used with plastic ducts as the sizes are different. All dimensions are measured manually, please allow 1-3mm differences.
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Brand: Kikerike | Manufacturer: Kikerike
See On Amazon #5
Imperial VT0729 4-Inch Exhaust Dryer Vent Cap, with Intake Hood Conversion, 1-Pack, 4 Inch, Black
Asin: B08BR8KK57 | Model: VT0729 | PartNumber: VT0729
Damper Prevents Back-Draft And Heat Loss.
1-Pack Of Imperial Model Vt0501.
Designed For Quiet Operation.
Designed For Maximum Airflow And Energy Efficiency.
Features
- Ideal for dryer and bath fan venting
- Designed for maximum airflow and energy efficiency
- Damper prevents back-draft and heat loss
- Designed for quiet operation
- 1-Pack of Imperial model VT0501
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Brand: Imperial | Manufacturer: Imperial
Dimensions: 8.00 x 16.50 x 7.75 inches
See On Amazon #6
Builder's Best 84033 Galvanized Steel Roof Vent Cap with Damper & Removable Screen, 6" Diameter Collar, Black (New 2021)
Asin: B0977KD55C | Model: 84033 | PartNumber: 84033 | Ean: 0722048840331 | UPC: 722048840331
Features: Riveted Construction; Does Not Use Caulk. Includes Pre-Drilled Holes For Easy Mounting. Vent Also Comes With A Flapper (Damper) That Prevents Back Drafts..
Quality Made In The Usa By Builder's Best, Inc. Builder's Best Brand Is A Us Registered Trademark..
Ideal For Bathroom Or Kitchen Vents. Screens Are Removable So That Caps Can Be Used For Venting Clothes Dryers As Well..
Protection Against Corrosion: Our Vent Caps Are Astm B117 Tested For Anti-Corrosive Properties, Showing Very Little Or No Signs Of Corrosion On Our High Performance Polyester Powder Coated Galvanized Steel Surface. Other Leading And Foreign Brands Have Little Or No Corrosive Protection..
Features
- Extremely Durable: This is a heavy duty 26 gauge galvanized roof vent hood with a high performance polyester powder coated finish.
- Protection Against Corrosion: Our vent caps are ASTM B117 tested for anti-corrosive properties, showing very little or no signs of corrosion on our high performance polyester powder coated galvanized steel surface. Other leading and foreign brands have little or no corrosive protection.
- Features: Riveted construction; does not use caulk. Includes pre-drilled holes for easy mounting. Vent also comes with a flapper (damper) that prevents back drafts.
- Ideal for bathroom or kitchen vents. Screens are removable so that caps can be used for venting clothes dryers as well.
- Quality made in the USA by Builder's Best, Inc. Builder's Best brand is a US registered trademark.
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Brand: Builder's Best | Manufacturer: Builder's Best Inc.
Dimensions: 18.63 x 16.88 x 12.38 inches
See On Amazon #7
Dundas Jafine Bpmh4blkzw6 Promax Exhaust Hood, 4 Inch
Asin: B0B5B7C4Z3 | Model: BPMH4BLKZW6 | PartNumber: BPMH4BLKZW6 | Ean: 0060672420063 | UPC: 060672420063
Snug Fitting, Back Draft Damper Provides Excellent Noise Reduction.
Nut Driver Ready (Not Included).
Snap On Aluminum Pipe To Cap Assembly Eliminates The Need For Lint-Trapping Staples.
Features A Removable, Slide Out Pest Screen For Easy Cleaning Of Lint And Other Debris.
Features
- Wide mouth exhaust assembly
- Features a removable, slide out pest screen for easy cleaning of lint and other debris
- Snug fitting, back draft damper provides excellent noise reduction
- Snap on aluminum pipe to cap assembly eliminates the need for lint-trapping staples
- Nut driver ready (not included)
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Brand: Dundas Jafine | Manufacturer: Dundas Jafine
Dimensions: 12.00 x 7.00 x 5.00 inches | Weight: 0.65 pounds
See On Amazon #8
Builder's Best 84035 Galvanized Steel Roof Vent Cap with Damper & Removable Screen, 4" Diameter Collar, Black
Asin: B0977JTZ7G | Model: 84035 | PartNumber: 84035 | Ean: 0722048840355 | UPC: 722048840355
Features: Riveted Construction; Does Not Use Caulk. Includes Pre-Drilled Holes For Easy Mounting. Vent Also Comes With A Flapper (Damper) That Prevents Back Drafts..
Quality Made In The Usa By Builder's Best, Inc. Builder's Best Brand Is A Us Registered Trademark..
Ideal For Bathroom Or Kitchen Vents. Screens Are Removable So That Caps Can Be Used For Venting Clothes Dryers As Well..
Protection Against Corrosion: Our Vent Caps Are Astm B117 Tested For Anti-Corrosive Properties, Showing Very Little Or No Signs Of Corrosion On Our High Performance Polyester Powder Coated Galvanized Steel Surface. Other Leading And Foreign Brands Have Little Or No Corrosive Protection..
Features
- Extremely Durable: This is a heavy duty 26 gauge galvanized roof vent hood with a high performance polyester powder coated finish.
- Protection Against Corrosion: Our vent caps are ASTM B117 tested for anti-corrosive properties, showing very little or no signs of corrosion on our high performance polyester powder coated galvanized steel surface. Other leading and foreign brands have little or no corrosive protection.
- Features: Riveted construction; does not use caulk. Includes pre-drilled holes for easy mounting. Vent also comes with a flapper (damper) that prevents back drafts.
- Ideal for bathroom or kitchen vents. Screens are removable so that caps can be used for venting clothes dryers as well.
- Quality made in the USA by Builder's Best, Inc. Builder's Best brand is a US registered trademark.
- See more on Amazon...
Brand: Builder's Best | Manufacturer: Builder's Best Inc.
Dimensions: 7.25 x 11.00 x 10.00 inches
See On Amazon #9
Hon&Guan Duct Damper 4 inch, Backdraft Damper One-Way Airflow Vent Damper Backflow Preventer for 4 Inch Duct Dryer Vent Hose
Asin: B0C1Z3CMJV
【Wide Applications】Back Draught Valves Can Be Inserted Into Havc Ducting Which Are Flexible Or Non-Flexible. Designed For Use With Range Hoods, Bathroom Fans, Kitchen And Other Home Hvac Applications..
【Backdraft Shutter】Hon&Guan Vent Damper Designed To Improve Ventilation By Preventing Air From Re-Circulating When The Fans Are Not In Use, Rubber Ring Ensure 100% Closure And Quiet Closing..
【Lightweight Valve Wings】The Valve Wings Open Under The Pressure Created By The Airflow; When The Air Flows In The Opposite Direction, It Is Automatically Closed Under The Action Of The Spring, So As To Cut Off The Flow..
【Installation Method】The Position Of The 4 Inch Duct Damper Spring Should Be Horizontal For Horizontal Installations So That It Can Open And Close Optimally..
Features
- Material Hon&Guan 4 backdraft damper and the flap leaves is made of a galvanized steel, the axis are made of aluminum, while the spring are made of carbon steel-2PCS.
- Installation method The position of the 4 inch duct damper spring should be horizontal for horizontal installations so that it can open and close optimally.
- Wide applications Back draught valves can be inserted into havc ducting which are flexible or non-flexible. Designed for use with range hoods, bathroom fans, kitchen and other home HVAC applications.
- Lightweight valve wings The valve wings open under the pressure created by the airflow; when the air flows in the opposite direction, it is automatically closed under the action of the spring, so as to cut off the flow.
- Backdraft Shutter Hon&Guan vent damper designed to improve ventilation by preventing air from re-circulating when the fans are not in use, rubber ring ensure 100% closure and quiet closing.
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Brand: Hon&Guan | Manufacturer: Hon&Guan
Dimensions: 7.00 x 4.00 x 4.00 inches | Weight: 0.49 pounds
See On Amazon #10
neverest RKI 4 - Backdraft Damper Shutter Inline for 4 Inch Dryer Duct for Retrofitting 4 Inch Ducting Prevents Unwanted Drafts in Metal Ducts in Line Draft Blocker - Fits Only with Metal Ducts
Asin: B011KJMCUU | Model: RKI backdraft damper 4 | PartNumber: RKI backdraft damper 4 | Ean: 4054503017276
Performance Our 4 Inch Hvac Damper Prevents Cold Air Or Wind From Entering The Ventilation Pipe. The Flap Opens Only In The Outgoing Air Direction, Ensuring No External Air Can Penetrate The Ventilation Pipe..
Easy Installation Simply Push The Dryer Damper Into The Ventilation Pipe As Far As Possible. The Position Of The Spring Should Be Horizontal When The Flap Is Installed Horizontally So That It Can Be Opened And Closed Optimally. This Also Applies To The Vertical Installation..
Multi-Use Ideal For Ac, Dryers, Exhausts, Extractor Or Range Hoods, Heating Systems, Vents, And Various Residential, Commercial, And Industrial Hvac Applications. The Rubber Seal Minimizes Noise During Flap Blade Movements. Install Only In Metal Ducts, Make Sure To Measure Your Duct Diameter Before Purchasing..
Premium Material Made With Quality Materials, The Housing Of Our Air Duct Damper Flap Is Galvanized Steel, While The Blades Are Aluminum, And The Axle And Spring Are Stainless Steel. Achieve Tight Sealing And Fastening With The Rubber Strip Attached To The Outside Of Our 4 Inch Damper Duct..
Features
- FEATURES The neverest RKI backdraft damper 4 inch effortlessly opens and closes automatically. This versatile dryer vent damper is equipped with a robust spring and suits both horizontal and vertical installations. Our Inline vent draft blocker is retrofit-friendly and fits seamlessly.
- PREMIUM MATERIAL Made with quality materials, the housing of our air duct damper flap is galvanized steel, while the blades are aluminum, and the axle and spring are stainless steel. Achieve tight sealing and fastening with the rubber strip attached to the outside of our 4 inch damper duct.
- PERFORMANCE Our 4 inch hvac damper prevents cold air or wind from entering the ventilation pipe. The flap opens only in the outgoing air direction, ensuring no external air can penetrate the ventilation pipe.
- MULTI-USE Ideal for AC, dryers, exhausts, extractor or range hoods, heating systems, vents, and various residential, commercial, and industrial HVAC applications. The rubber seal minimizes noise during flap blade movements. Install only in metal ducts, make sure to measure your duct diameter before purchasing.
- EASY INSTALLATION Simply push the dryer damper into the ventilation pipe as far as possible. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally. This also applies to the vertical installation.
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Brand: neverest | Manufacturer: neverest
Dimensions: 3.94 x 2.05 x 3.94 Inches | Weight: 0.22 pounds
See On Amazon #11
6" Inch Duct Connector Flange with Backdraft Damper - Plastic Straight Pipe Flange for Heating Cooling - Inlet Outlet Ventilation System - Ducting Coupling Wall Plate - Assembly Joint (150mm)
Asin: B0BRD1KKZT | Ean: 4751038503235
Robust Construction: Made From Quality/Rigid Abs Plastic With Integrated Backdraft Damper For Long-Lasting Performance. Allowable Temperature Range From -5°C Up To +60°C.
Improved Efficiency: Minimize Air Leaks And Maximize Airflow For Better Comfort And Energy Savings..
Easy Installation: The Elements Can Be Connected Without Glues And Sealants. Product Has Pre-Drilled Holes For A Firm And More Secure Attachment To The Wall, Ceiling Or Any Other Surface. User-Friendly Design For Quick And Hassle-Free Setup And Also Perfect For Diy And Trade Use.
Connectivity: Connect Ducting Components Easily With Durable Plastic Flanges For Reliable Connections. Easily Connected To Various Types Of Circular Ventilation Air Ducts..
Features
- Compatibility: Fits 6" inch ducting, Outer Frame dimensions: 7.86'' x 7.86'' Inches. Made for various HVAC ventilation applications.
- Connectivity: Connect ducting components easily with durable plastic flanges for reliable connections. Easily connected to various types of circular ventilation air ducts.
- Robust Construction: Made from quality/rigid ABS Plastic with integrated backdraft damper for long-lasting performance. Allowable Temperature Range from -5 C up to +60 C
- Easy Installation: The elements can be connected without glues and sealants. Product has Pre-drilled holes for a firm and more secure attachment to the wall, ceiling or any other surface. User-friendly design for quick and hassle-free setup and also perfect for DIY and Trade use
- Improved Efficiency: Minimize air leaks and maximize airflow for better comfort and energy savings.
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Brand: Repa Market | Manufacturer: Repa Market
Dimensions: 7.86 x 7.86 x 7.86 inches | Weight: 0.31 pounds
See On Amazon #12
Therwen Backdraft Damper Duct Manual Volume Damper with Sleeve Stove Pipe Galvanized Sheet Adjustment Airflow Ducting Branch HVAC Air Balancing for Range Hoods, Fans(4 Inch, 1 Pc)
Asin: B0C9D3Y23J | Model: GFA-Therwen-647 | PartNumber: GFA-Therwen-647
Use For Air Balance: The Hvac Damper Is A Simple Manual Damper Wrapped In Galvanized Iron Sheet Metal Sleeves; Each Branch Should Be Fitted With An Air Duct Damper To Regulate The Airflow By Adjusting The Position Of The Damper, Which Can Help To Redirect It To Specific Locations In The House; The 4 Inch Backdraft Damper Is Not Completely Sealed, And It Is Applied For Air Balancing, Not Air Termination.
Fit Most Occasions: The 4 Inch Hvac Damper Can Be Applied On Most Occasions Including Air Conditioning, Dryer Vents, Exhausts, Range Hoods, Heating Systems, Fans, Vents And Other Residential, Commercial And Industrial Hvac Applications, Practical Tools To Use.
Easy To Install: You Simply Slide The Air Ducting Damper Into The Pipe And Screw It In An Easy To Adjust Position, Then Hide The Seam With Tape To Complete The Installation; It Is Also Recommended That You Can Seal All Connections With Pipe Sealant To Prevent Air Leakage And Improve The Efficiency Of The Hvac System.
Galvanized Iron Material: The 4 Inch Vent Ducting Damper Is Made Of Quality Galvanized Iron With High Hardness And High Temperature Resistance, Not Easy To Deformation And Corrosion, And Can Effectively Prevent The Air Duct Damper From Moisture And Fading, Which Can Be Applied For A Long Time.
Features
- Suitable Size: the bend end interface of air duct damper measures about 3.87 inches/ 9.84 cm in diameter while the other side is about 4 inches/ 10.16 cm in diameter and the height is about 6 inches/ 15.24 cm in height, which is suitable for inserting 4 inch ventilation duct
- Galvanized Iron Material: the 4 inch vent ducting damper is made of quality galvanized iron with high hardness and high temperature resistance, not easy to deformation and corrosion, and can effectively prevent the air duct damper from moisture and fading, which can be applied for a long time
- Use For Air Balance: the HVAC damper is a simple manual damper wrapped in galvanized iron sheet metal sleeves; Each branch should be fitted with an air duct damper to regulate the airflow by adjusting the position of the damper, which can help to redirect it to specific locations in the house; The 4 inch backdraft damper is not completely sealed, and it is applied for air balancing, not air termination
- Easy to Install: you simply slide the air ducting damper into the pipe and screw it in an easy to adjust position, then hide the seam with tape to complete the installation; It is also recommended that you can seal all connections with pipe sealant to prevent air leakage and improve the efficiency of the HVAC system
- Fit Most Occasions: the 4 inch HVAC damper can be applied on most occasions including air conditioning, dryer vents, exhausts, range hoods, heating systems, fans, vents and other residential, commercial and industrial HVAC applications, practical tools to use
- See more on Amazon...
Brand: Therwen | Manufacturer: Therwen
See On Amazon #13
iPower 4 inch Shutter Back Draft Blocker, One-Way Airflow Ducting Insert Backflow Preventer with 2 Inline Springs Loaded Folding Blades, 4" Backdraft Damper, for HVAC Extractor Fan Vent, Range Hoods
Asin: B09L7MNXMF | Model: 4 inch Backdraft Shutter Damper Back | PartNumber: 4 inch Backdraft Shutter Damper Back | Ean: 0840166237205 | UPC: 840166237205
One-Way Airflow Ducting Insert: Back-Flow Valve With 2 Spring-Loaded Wings Prevents The Reverse Airflow Movement Through The Ventilation Duct When The Ventilation System Is Turned Off.
Wide Applications: Back Draught Valves Can Be Inserted Into Ventilation Ducts Which Are Flexible Or Non-Flexible. Designed For Use With Range Hoods, Bathroom Fans, Kitchen And Other Home Hvac Applications. Essential For Hvac Ventilation.
Material: The 4 Inch Backdraft Damper Is Made Out Of A Galvanized Steel, The Flap Leaves Are Made Of Aluminum, While The Axis And Spring Are Made Of Stainless Steel And Can Withstand Temperatures From 14 To 140 °F.
Keep Away From Rattling: It Has An Internal Foam Strip And A Smooth-Running Spring To Keep The Valve Wings From Rattling. The Position Of The Spring Should Be Horizontal For Horizontal Installations So That It Can Open And Close Optimally.
Features
- Lightweight valve wings: The valve wings open under the pressure created by the airflow and then automatically close with the spring work. The backflow flap closes automatically at low air volumes. The Backdraft shutter is installed so that the damper blades open only in the outflowing air direction
- Keep away from rattling: It has an internal foam strip and a smooth-running spring to keep the valve wings from rattling. The position of the spring should be horizontal for horizontal installations so that it can open and close optimally
- One-way airflow ducting insert: Back-flow valve with 2 spring-loaded wings prevents the reverse airflow movement through the ventilation duct when the ventilation system is turned off
- Material: The 4 inch Backdraft damper is made out of a Galvanized steel, the flap leaves are made of aluminum, while the Axis and spring are made of stainless steel and can withstand temperatures from 14 to 140 F
- Wide applications: Back draught valves can be inserted into ventilation ducts which are flexible or non-flexible. Designed for use with range hoods, bathroom fans, kitchen and other home HVAC applications. Essential for HVAC ventilation
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Brand: iPower | Manufacturer: iPower
Dimensions: 6.20 x 4.92 x 4.92 inches
See On Amazon #14
Ventilation Maximum 4 inch Outdoor Wall Dryer Vent Cover, Bathroom Vent Cover, HVAC Exhaust/Intake Wall Vent Cover, Energy Saving Dryer Vent Cover, Steel and Weatherproof Construction (AF4C) Black
Asin: B08CS25T16 | Model: VMAX-AF-4-C-N | PartNumber: VMAX-AF-4-C-N | Ean: 0772820954053 | UPC: 772820954053
Construction: This Outdoor Dryer Vent Cover Is Built From Galvanised Steel, Has A Built In Metal Screen Bird Guard And Is Coated With An Interior And Exterior Baked Powder Paint Including Uv Protection Making It Robust And Durable..
Customer Satisfaction: Ventilation Maximum Has Been Specialising In Ventilation Products For Over 40 Years And Prides Itself With Its Quality Products And Services. Fell Free To Contact Us For Any Questions, Your Request Will Be Answered In A Timely Manner..
Installation: Easy Diy Installation Using Standard Tools. Insert The Unit's Pipe Into The Ventilation Pipe, Seal It And Screw It To The Wall. Please View Our Video For More Detailed Information..
Application: This Outdoor Vent Cover May Be Installed As A Dryer Vent Cover, Bathroom Fans Vent Covers, As Well As Hvac Vent Covers For Air Exchanger And Furnace Intake/Exhaust Covers..
Features
- FEATURES: The Ventilation Maximum AF4C (4 inch) outdoor dryer vent cover vent cover is designed to prevent cold, rain, snow and wind from penetrating the unit. A triple sealed and insulated exhaust flap/trap also offers energy savings by efficiently closing off the opening from inside the home or commercial/industrial building.
- APPLICATION: this outdoor vent cover may be installed as a dryer vent cover, bathroom fans vent covers, as well as HVAC vent covers for air exchanger and furnace intake/exhaust covers.
- CONSTRUCTION: This outdoor dryer vent cover is built from galvanised steel, has a built in metal screen bird guard and is coated with an interior and exterior baked powder paint including UV protection making it robust and durable.
- INSTALLATION: Easy DIY installation using standard tools. Insert the unit's pipe into the ventilation pipe, seal it and screw it to the wall. Please view our video for more detailed information.
- CUSTOMER SATISFACTION: Ventilation Maximum has been specialising in ventilation products for over 40 years and prides itself with its quality products and services. Fell free to contact us for any questions, your request will be answered in a timely manner.
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Brand: MAXIMUM | Manufacturer: Ventilation Maximum ltd.
Dimensions: 8.25 x 15.00 x 11.75 Inches | Weight: 2.20 pounds
See On Amazon #15
FRESH SPEED 8-Inch Professional Backdraft Damper Shutter Connector Duct
Asin: B096FSHL4T | Ean: 0752349625054 | UPC: 752349625054
【High-Quality Materials】 The Casing Of The Shutter Is Made Of Galvanized Steel Sheet. The Dryer Vent Valve Blades Are Made Of Aluminium. The Shaft And Spring Are Made Of Stainless Steel. The Shutter Is Able To Withstand Temperatures Up To 140°F..
【Support Guarantee】We Have A 24-Month Warranty. Feel Free To Contact Us With Any Questions. We Will Reply Within 24 Hours..
【Great For Home Use】 The Foam Sealing On The Damper Reduces Operation Noise And Provides Extra Air Tightness. The Back Draught Valve Can Be Inserted Into A Non-Flexible Metal Or Plastic Duct Directly, But For Flexible Duct You Need To Use Steel Duct Clamps To Secure The Backdraft Damper..
【Easy Installation】The Duct Damper Opens And Closes Automatically, Allowing Only One-Directional Airflow. The Damper Blades Open Only In The Outflowing Air Direction When The Shutter Is Installed. The Duct Valve For 4-Inch Duct Best Installed In A Horizontal Position And Inserted Fully Into The Duct. This Also Applies To Vertical Installation..
Features
- HOME IMPROVEMENT Perfect for use in AC, dryer vent, heating ducts, extractor or range hoods. Especially suitable for using with exhaust fan, bathroom fan, blower fan, attic fan.
- EASY INSTALLATION The duct damper opens and closes automatically, allowing only one-directional airflow. The damper blades open only in the outflowing air direction when the shutter is installed. The duct valve for 4-inch duct best installed in a horizontal position and inserted fully into the duct. This also applies to vertical installation.
- HIGH-QUALITY MATERIALS The casing of the shutter is made of galvanized steel sheet. The dryer vent valve blades are made of aluminium. The shaft and spring are made of stainless steel. The shutter is able to withstand temperatures up to 140 F.
- GREAT FOR HOME USE The foam sealing on the damper reduces operation noise and provides extra air tightness. The back draught valve can be inserted into a non-flexible metal or plastic duct directly, but for flexible duct you need to use steel duct clamps to secure the backdraft damper.
- SUPPORT GUARANTEE We have a 24-month warranty. Feel free to contact us with any questions. We will reply within 24 hours.
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Brand: FRESH SPEED
Dimensions: 3.70 x 8.07 x 8.07 inches | Weight: 1.60 pounds
See On Amazon #16
Copkim 4 Pieces 4 Inch Backdraft Damper One Way Airflow Dryer Vent Backflow Preventer Duct Draft Stopper Inline Fan Vent Deflector with 2 Spring Loaded Folding Blades for Range Hoods Bathrooms Kitchen
Asin: B0CC835R8N | Model: LIA-Copkim-0167 | PartNumber: LIA-Copkim-0167
Size For Versatile Use: Air Duct Damper Sports A Convenient Size With A Diameter Of Approximately 3.9 Inches And A Height Of Roughly 3.46 Inches; Crafted To Fit 4 Inch Ducts Well, It Proves Its Versatility In Various Duct Systems, Encouraging More Airflow For Efficient Use.
Easy To Use: Push The Vent Blocker Into The Ventilation Pipe To The End To Install; When The Baffle Is Installed Horizontally, The Position Of The Spring Should Be In A Horizontal Position So That It Can Be Opened And Closed In An Optimal Way; The Flap Opens Under The Pressure Generated By The Airflow, Then It Closes Automatically Under The Action Of Spring; The Return Damper Closes Automatically When The Air Volume Is Low.
Features For Effective Performance: Besides Its Robust Material Composition, The 4 Inch Duct Reducer's Functionality Is Amplified With Its One Way, 2 Spring Loaded Folding Blades; This Allows For Maximum Air Balance, Ensuring Uninterrupted Air Flow In The Desired Direction While Preventing The Reverse; It Can Be Inserted Into Flexible Or Non Flexible Ventilation Ducts; Due To Different Sizes, Can Not Be Applied With Plastic Piping.
Quality Material Composition: 4 Inch Duct Reducer Is Made From Galvanized Steel That Offers Durability To Withstand Different Conditions, Ensuring Longevity; Additionally, The Leaflets Are Made Of Aluminum, And The Shafts And Springs Are Manufactured With Stainless Steel, Ensuring Impeccable Performance And Consistency, And Can Withstand Temperatures From 14 To 140 Fahrenheit Celsius.
Features
- You Can Get: with a package that contains 4 pieces of 4 inch backdraft dampers, it caters to a comprehensive, easy user experience; This bundled package makes it easy to replace or install multiple dampers in different locations at the same time, thereby saving time and effort
- Quality Material Composition: 4 inch duct reducer is made from galvanized steel that offers durability to withstand different conditions, ensuring longevity; Additionally, the leaflets are made of aluminum, and the shafts and springs are manufactured with stainless steel, ensuring impeccable performance and consistency, and can withstand temperatures from 14 to 140 Fahrenheit Celsius
- Size for Versatile Use: air duct damper sports a convenient size with a diameter of approximately 3.9 inches and a height of roughly 3.46 inches; Crafted to fit 4 inch ducts well, it proves its versatility in various duct systems, encouraging more airflow for efficient use
- Features for Effective Performance: besides its robust material composition, the 4 inch duct reducer's functionality is amplified with its one way, 2 spring loaded folding blades; This allows for maximum air balance, ensuring uninterrupted air flow in the desired direction while preventing the reverse; It can be inserted into flexible or non flexible ventilation ducts; Due to different sizes, can not be applied with plastic piping
- Easy to Use: push the vent blocker into the ventilation pipe to the end to install; When the baffle is installed horizontally, the position of the spring should be in a horizontal position so that it can be opened and closed in an optimal way; The flap opens under the pressure generated by the airflow, then it closes automatically under the action of spring; The return damper closes automatically when the air volume is low
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Brand: Copkim | Manufacturer: Copkim
See On Amazon #17
Ventilation Maximum 4 inch Outdoor Wall Dryer Vent Cover, Bathroom Vent Cover, HVAC Exhaust/Intake Wall Vent Cover, Energy Saving Dryer Vent Cover, Steel and Weatherproof Construction Black
Asin: B08CPT6F59 | Model: VMAX-AF-4 | PartNumber: VMAX-AF-4 | Ean: 0772820964052 | UPC: 772820964052
Construction: This Outdoor Dryer Vent Cover Is Built From Galvanised Steel, Has A Built In Metal Screen Bird Guard And Is Coated With An Interior And Exterior Baked Powder Paint Including Uv Protection Making It Robust And Durable..
Customer Satisfaction: Ventilation Maximum Has Been Specialising In Ventilation Products For Over 40 Years And Prides Itself With Its Quality Products And Services. Fell Free To Contact Us For Any Questions, Your Request Will Be Answered In A Timely Manner..
Installation: Easy Diy Installation Using Standard Tools. Insert The Unit's Pipe Into The Ventilation Pipe, Seal It And Screw It To The Wall. Please View Our Video For More Detailed Information..
Application: This Outdoor Vent Cover May Be Installed As A Dryer Vent Cover, Bathroom Fans Vent Covers, As Well As Hvac Vent Covers For Air Exchanger And Furnace Intake/Exhaust Covers..
Features
- FEATURES: The Ventilation Maximum AF4 (4 inch) outdoor dryer vent cover vent cover is designed to prevent cold, rain, snow and wind from penetrating the unit. A triple sealed and insulated exhaust flap/trap also offers energy savings by efficiently closing off the opening from inside the home or commercial/industrial building.
- APPLICATION: this outdoor vent cover may be installed as a dryer vent cover, bathroom fans vent covers, as well as HVAC vent covers for air exchanger and furnace intake/exhaust covers.
- CONSTRUCTION: This outdoor dryer vent cover is built from galvanised steel, has a built in metal screen bird guard and is coated with an interior and exterior baked powder paint including UV protection making it robust and durable.
- INSTALLATION: Easy DIY installation using standard tools. Insert the unit's pipe into the ventilation pipe, seal it and screw it to the wall. Please view our video for more detailed information.
- CUSTOMER SATISFACTION: Ventilation Maximum has been specialising in ventilation products for over 40 years and prides itself with its quality products and services. Fell free to contact us for any questions, your request will be answered in a timely manner.
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Brand: MAXIMUM | Manufacturer: Ventilation Maximum ltd
Dimensions: 11.25 x 15.00 x 8.75 inches | Weight: 2.20 pounds
See On Amazon #18
iPower 4 Inch 195 CFM Inline Duct Ventilation Exhaust Fan, 8 Feet Ducting and Backdraft Shutter Damper for Grow Tent, HVAC Heating Cooling, 2 Clamps Included
Asin: B09MW2CZPQ | Model: 4 Inch 195 CFM Inline Duct Ventilation | PartNumber: 4 Inch 195 CFM Inline Duct Ventilation | Ean: 0840166241998 | UPC: 840166241998
4 Inch Ducting: Temperature Endurance Range: 0 ~ 185°F (-18℃ ~ 85℃); Length: 8 Feet (When Fully Extended). A Pair Of 4 Inch Stainless Steel Metal Clips Makes The Installation Firmer.
Multi-Functional: This Ventilation Combo Removes Heat And Eliminate The Undesirable Ill-Smelling Odors In The Grow Tent To Solves Air Delivery Problems Without Major System Rework Or Expense.
Backdraft Shutter Damper: Made Of A Galvanized Steel. Withstand Temperatures From 14 To 140 °F. Back-Flow Valve With 2 Spring-Loaded Wings Prevents The Reverse Airflow Movement Through The Ventilation Duct When The Ventilation System Is Turned Off.
High Effective Fan: Transfer Air To Your Target Location In A Quick Way. Fitted With A Flow Deflector That Concentrates The Fan Stream And Cuts Turbulent Kinetic Energy To Reduce Sound Output To Just 30 Db.
Features
- Mini construction fan: Size: 4 inches; Voltage: 120V; Current: 0.45A; Frequency: 60Hz; Power: 28W; Air Velocity: 195 CFM; Speed: 2500 RPM. Noise Level: 30db
- High effective fan: Transfer air to your target location in a quick way. Fitted with a flow deflector that concentrates the fan stream and cuts turbulent kinetic energy to reduce sound output to just 30 dB
- 4 inch ducting: Temperature endurance range: 0 ~ 185 F (-18 ~ 85 ); length: 8 feet (when fully extended). A pair of 4 inch stainless steel metal clips makes the installation firmer
- Backdraft Shutter Damper: Made of a Galvanized steel. Withstand temperatures from 14 to 140 F. Back-flow valve with 2 spring-loaded wings prevents the reverse airflow movement through the ventilation duct when the ventilation system is turned off
- Multi-Functional: This ventilation combo removes heat and eliminate the undesirable ill-smelling odors in the grow tent to solves air delivery problems without major system rework or expense
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Brand: iPower | Manufacturer: iPower
Dimensions: 10.00 x 14.00 x 10.00 inches
See On Amazon #19
Draft Blocker 4'' Inch - Backdraft Damper - Draft Stopper - Backflow Preventer - Inline Fan Vent Deflector - One-Way Airflow Ducting - Dryer Duct Connector with Backdraught Flap
Asin: B0822VQMHM | Ean: 7427046530293
Installation: The Backflow Flap Is Installed By Inserting It Into The Ventilation Pipe Until It Stops. The Position Of The Spring Should Be Horizontal For Horizontal Installations So That It Can Open And Close Optimally. The Backdraft Shutter Is Installed So That The Damper Blades Open Only In The Outflowing Air Direction..
Back Draught Valves Can Be Inserted Into Ventilation Ducts Which Are Flexible Or Non Flexible. Cannot Be Used With Plastic Ducts As The Sizes Are Different..
The Backflow Flap Opens And Closes Automatically At Low Air Volumes. It Has A Smooth-Running Spring And An Internal Foam Strip To Keep The Blades From Rattling And Can Be Installed Horizontally Or Vertically.
Damper Has 2 Valves, Designed For Use In Air Conditioners (Ac), Dryers, Exhaust, Extractor Or Range Hoods, Heating Ducts, Vents And Other Hvac Applications.
Features
- Back draft damper is made for insertion into inch ventilation ducts. The backflow damper RKI opens and closes automatically. It has a strong spring and can be installed either horizontally or vertically. The flap is suitable for retrofitting, since it is completely inside the duct
- Damper has 2 valves, designed for use in air conditioners (AC), dryers, exhaust, extractor or range hoods, heating ducts, vents and other HVAC applications
- INSTALLATION: The backflow flap is installed by inserting it into the ventilation pipe until it stops. The position of the spring should be horizontal for horizontal installations so that it can open and close optimally. The Backdraft shutter is installed so that the damper blades open only in the outflowing air direction.
- The backflow flap opens and closes automatically at low air volumes. It has a smooth-running spring and an internal foam strip to keep the blades from rattling and can be installed horizontally or vertically
- Back draught valves can be inserted into ventilation ducts which are flexible or non flexible. Cannot be used with plastic ducts as the sizes are different.
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Brand: Repa Market | Manufacturer: REPA MARKET
Dimensions: 3.82 x 4.13 x 4.13 inches | Weight: 0.17 Kilograms
See On Amazon #20
Deflecto Plastic Dryer Vent Draft Blocker, 4" Diameter, White (BD04)
Asin: B00009W3HB | Model: BD04 | PartNumber: BD04 | Ean: 0079916500706, 7107391574288 | UPC: 079916500706
Plastic Construction; Calcium Filled Polypropylene Has A Melting Point Of 325 Degrees F.
Easily Attaches To Vent Pipe And Clothes Dryer Duct.
Comes With Balanced Damper Fully Assembled.
Air Flow From The Dryer Opens Up The Damper; Gravity Keeps Draft Blocker Closed When Dryer Is Not In Use.
Features
- Prevent cold air from entering your home through the dryer vent with our inline dryer vent draft blocker
- Air flow from the dryer opens up the damper; gravity keeps draft blocker closed when dryer is not in use
- Plastic construction; Calcium filled polypropylene has a melting point of 325 degrees F
- Comes with balanced damper fully assembled
- Easily attaches to vent pipe and clothes dryer duct
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Brand: Deflecto | Manufacturer: Deflecto, LLC
Dimensions: 2.50 x 5.00 x 5.00 inches | Weight: 0.00 pounds
Warranty: This is a genuine oem replacement part.
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