6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Deflector
Asin: B099KGLXQC
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.【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 6 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 Similar To 6 Inch Draft Blocker Backdraft
#1
AC Infinity 6" Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 6 Ducting in Range Hoods and Bathrooms Fans
Asin: B0842XLY96 | Model: AC-BDD6-B | PartNumber: AC-BDD6-B | Ean: 0819137021310 | UPC: 819137021310
Mounts Horizontally Or Vertically To Prevent Backflow And Debris From Entering Ducting..
Fit For 6 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 6 in. Duct Openings | Product Length: 5.03 inches | Finish: Powder Coat
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Brand: AC Infinity | Manufacturer: AC Infinity
Weight: 1.32 Pounds
See On Amazon #2
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 #3
Twin Draft Guard Hug N Fit, Original Dual Draft Stopper, New Customizable Design, fits 28 - 36 Length with 2 Energy Saver Insulation Tube.
Asin: B0C9KKPWPL | Model: Brown | PartNumber: Brown | Ean: 0600606602976 | UPC: 600606602976
The Insulator Is Customizable, Easy To Use And Simply Slides On. There Is No Bending To Reposition, Moves With The Door And Glides Over All Floor Types. The Locking System Prevents The Insulating Device From Sliding And Keeps It In Place..
Use For All Types Of Weather. Keep Cold Air Out And Heat Inside In Fall And Winter. Keep Cold Air In And Hot Air Out During The Spring And Summer..
The Double Sided Lycra Stretch Designed For Perfect Fit Insulator With Water Repellent Fabric. It Is Specially Designed To Retain Heat And Repel Moisture..
Features
- The original draft stopper Twin Draft HUG N FIT is the ideal solution for drafty doors and windows. The stretchable fabric stays snug to the door to ensure there are no drafts.
- The double sided lycra stretch designed for perfect fit insulator with water repellent fabric. It is specially designed to retain heat and repel moisture.
- The insulator is customizable, easy to use and simply slides on. There is no bending to reposition, moves with the door and glides over all floor types. The Locking System prevents the insulating device from sliding and keeps it in place.
- Use for all types of weather. Keep cold air out and heat inside in fall and winter. Keep cold air in and hot air out during the spring and summer.
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Brand: Twin Draft Guard | Manufacturer: Hampton Direct, Inc.
Dimensions: 4.13 x 12.00 x 6.10 inches
See On Amazon #4
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 #5
PATIKIL 6" HVAC Duct Manual Volume Damper, Metal Adjustment Airflow Ducting Backdraft Damper Control for Air Ventilation System
Asin: B0BRK75XSQ | Model: pta220823tt0550 | PartNumber: pta220823tt0550
Instruction: Easy To Install, Just Simply Slide The Volume Damper Into The Pipe You Are Attaching To, And Fix With Pipe Clamp And Tape..
Note: Please Confirm The Outer Diameter Of The Volume Damper Before Placing An Order..
Application: The Manual Volume Damper Is Used For Air Volume Regulation In An Air Ventilation System, Widely Used In Hvac Industry. With That Installed In Your Hvac Systems, You Can Easily Control The Air Flow Rate Or Close Off An Air Duct If Needed, To Some Extent, It Will Increase The Energy Efficiency Of Your System..
Advantage: 1. Made Of Durable Galvanized Iron, Which Has High Hardness And High Temperature Resistance, Not Easy To Deform And Corrosion, Moisture-Proof And Fade Resistant, Can Be Used For A Long Time; 2. The Side Is Designed With A Rotary Handle, Which Can Adjust The Air Volume From Multiple Angles And Is Easy To Operate; 3. The Interface Is Smooth And Flat, Easy To Disassemble And Install. Silicone Rubber Ring Design Can Prevent The Air Duct Valve From Leaking When It Is Closed..
Features
- Outer Diameter of Interface: 147 mm / 5.79 inch; Overall Size: 197 x 1 mm / 7.76 x 0.04 inch (L*T); Color: Silver
- Advantage: 1. Made of durable Galvanized Iron, which has high hardness and high temperature resistance, not easy to deform and corrosion, moisture-proof and fade resistant, can be used for a long time; 2. The side is designed with a rotary handle, which can adjust the air volume from multiple angles and is easy to operate; 3. The interface is smooth and flat, easy to disassemble and install. Silicone rubber ring design can prevent the air duct valve from leaking when it is closed.
- Instruction: Easy to install, just simply slide the volume damper into the pipe you are attaching to, and fix with pipe clamp and tape.
- Application: The manual volume damper is used for air volume regulation in an air ventilation system, widely used in HVAC industry. With that installed in your HVAC systems, you can easily control the air flow rate or close off an air duct if needed, to some extent, it will increase the energy efficiency of your system.
- Note: Please confirm the outer diameter of the volume damper before placing an order.
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Brand: PATIKIL | Manufacturer: PATIKIL
See On Amazon #6
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 #7
HOME DISTRICT Sliding Door Draft Stopper -Glass Door Draft Blocker, Patio Under Door Draft Stopper, Door Air Blocker Draft Dodger Noise Blocker Approx. 71" Long - Light Brown
Asin: B07JYPMHP2 | Model: 8541850958 | PartNumber: 8541850958 | Ean: 0008733991534 | UPC: 008733991534
Stays In Place - Weighted Door Draft Guard Has 11 Gravel Weights Placed Throughout For Secure, Stable Placement. The Sliding Glass Door Insulation Holds Up In Any Season..
Great Color Choices - Stylish Sliding Patio Door Draft Stopper Comes In Light Brown, Gray, Burgundy, Navy, Black Faux Linen, Or Brown Tweed To Complement Any Home Decor..
Fits Standard Sliding Doors - The Shortest Area Of The Under Door Draft Blocker Measures 34" In Length, And The Longest Area Is Approximately 71" Long. This Extra Large Door Draft Stopper Fits Most Sliding Doors Sets With Ease..
Patented Design - Our Smartly Shaped Patio Door Draft Blocker Features A Shorter, Flatter Area That Fits Snug Into A Standard Sliding Door Track To Insulate One Side, While The Longer Piece Is An Under Door Seal For The Rest..
Features
- UNIQUE DOOR INSULATION STRIP - Help reduce your heating and cooling costs with this effective door air draft stopper, designed to be a door guard for sliding glass doors.
- PATENTED DESIGN - Our smartly shaped patio door draft blocker features a shorter, flatter area that fits snug into a standard sliding door track to insulate one side, while the longer piece is an under door seal for the rest.
- STAYS IN PLACE - Weighted door draft guard has 11 gravel weights placed throughout for secure, stable placement. The sliding glass door insulation holds up in any season.
- FITS STANDARD SLIDING DOORS - The shortest area of the under door draft blocker measures 34 in length, and the longest area is approximately 71 long. This extra large door draft stopper fits most sliding doors sets with ease.
- GREAT COLOR CHOICES - Stylish sliding patio door draft stopper comes in Light Brown, Gray, Burgundy, Navy, Black Faux Linen, or Brown Tweed to complement any home decor.
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Brand: HOME DISTRICT | Manufacturer: HOME DISTRICT
Dimensions: 71.50 x 4.00 x 8.00 inches | Weight: 3.60 pounds
See On Amazon #8
Therwen Backdraft Damper Duct Manual Volume Damper with Sleeve Stove Pipe Galvanized Sheet Adjustment Airflow Ducting Branch HVAC Air Balancing for Range Hoods, Fans(6 Inch, 1 Pc)
Asin: B0C36J5RCT
Fit Most Occasions: The 6 Inch Vent Ducting 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.
Galvanized Iron Material: The 6 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 6 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.
Features
- Suitable Size: the bend end interface of air duct damper measures about 5.87 inches/ 14.92 cm in diameter while the other side is about 6 inches/ 15.24 cm in diameter and the height is about 6.25 inches/ 15.87 cm in height, which is suitable for inserting 6 inch ventilation duct
- 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 6 inch vent ducting 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
- 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 6 inch backdraft damper is not completely sealed, and it is applied for air balancing, not air termination
- Galvanized Iron Material: the 6 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
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Brand: Therwen | Manufacturer: Therwen
Dimensions: 6.24 x 5.99 x 5.99 inches
See On Amazon #9
MAGZO Door Draft Stopper, 60 Inch Under Door Draft Blocker Noise Stopper, Weighted Wind Blocker Draft Guard for Bottom of Door, Gray
Asin: B07KTY6Y8D | Ean: 0744790143539 | UPC: 744790143539
Convenient To Use - The Door Draft Guard Is Easy To Install And Remove. Just Apply The Included Hook Tape To Your Door, Then Stick The Door Draft Stopper. Also, It's Soft Enough To Be Directly Inserted Under The Door Gap..
Premium Material - The Door Draft Stopper Is Filled With Polyester Wadding And Especially Added Glass Beads, Weight Up To (3.97 Lb), Ensure The Door Blocker Is Not Easily Moved Away From Your Door..
Recycle Usage - This Door Draft Stopper Can Be Washed By Machine Or By Hands. The Two Hanging Loops Ensures That It Can Be Hung On Anywhere, Convenient For Storage And Be Recycled To Use..
Multi-Function Door Snake Blocker-The Door Snake Blocker Is Dust Proof, Windproof, Has Good Sound Insulation Effect, Can Stop The Hot And Cold Air Cross, Also Effectively Insulating Light From Exterior..
Features
- ALL SEASON PROTECTION - The durable sound proof bottom door weather stripping keeps your room warmer in winter and cooler in summer. The wind proof draft blocker helps you save on energy costs year round.
- MULTI-FUNCTION DOOR SNAKE BLOCKER-The door snake blocker is dust proof, windproof, has good sound insulation effect, can stop the hot and cold air cross, also effectively insulating light from exterior.
- CONVENIENT TO USE - The door draft guard is easy to install and remove. Just apply the included hook tape to your door, then stick the door draft stopper. Also, it's soft enough to be directly inserted under the door gap.
- RECYCLE USAGE - This door draft stopper can be washed by machine or by hands. The two hanging loops ensures that it can be hung on anywhere, convenient for storage and be recycled to use.
- PREMIUM MATERIAL - The door draft stopper is filled with polyester wadding and especially added glass beads, weight up to (3.97 lb), ensure the door blocker is not easily moved away from your door.
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Brand: MAGZO | Manufacturer: MAGZO
Dimensions: 4.00 x 30.00 x 4.00 inches
See On Amazon #10
Hon&Guan 8 Inch Backdraft Damper, Draft Blocker One-Way Airflow Ducting Backflow Preventer Duct Draft Blocker, HVAC Inline Fan
Asin: B09WDF7PNS
【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..
【Backdraft Shutter】Hon&Guan Hvac 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 8 Inch Duct Damper Has An Opening Of 200 Mm And A Length Of 88 Mm. When Installed Horizontally, The Springs Should Be Positioned Horizontally To Allow For Optimal Opening And Closing..
Features
- Material The 8 backdraft damper and the flap leaves is made of a Galvanized steel to withstand temperatures up to 140 F, the Axis are made of aluminum, while the spring are made of carbon steel.
- Installation method The 8 inch duct damper has an opening of 200 mm and a length of 88 mm. When installed horizontally, the springs should be positioned horizontally to allow for optimal opening and closing.
- 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.
- 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 hvac 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
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