Top Duct Damper Reviews

Vent Systems 8 Inch Backdraft Damper - Backflow Shutter - Heavy-Duty Inline Springs Loaded - One-Way Airflow Ducting Insert - Inline Fan Vent Deflector

  • Back draft damper for insertion into 8 inch ventilation ducts. The backflow damper opens and closes automatically. It has a strong spring and can be....
  • A tight sealing and fastening of the duct is achieved by the rubber strip attached to the inside of the draft blocker damper. The rubber seal prevents....
  • Designed for use in AC, dryer vent, exhaust, extractor or range hoods, heating systems, fans, vents and other residential, commercial and industrial....
  • Duct draft stopper prevent cold air or wind from entering the ventilation pipe. In this case, the flap is installed in such a way that the flap leaves....
  • The backflow Preventer valve is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be....
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Duct Reducter 8 to 6 Air Ducting Reducer Increaser Air Duct Adapter or Round Metal Pipe Reducer for Bathroom Kitchen Ventilation Systems

  • 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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Broan PM390 Power Pack Range Hood Insert, Silver

  • 6-Inch round duct connector/back draft damper. Designed to fit flush with the bottom of a cabinet or custom hood installation. Also designed to be used with Broan’s “Box” or “T” design custom liners..
  • Max Sones/100 CFM 1.5. Rated Voltage : 120 V.
  • HVI rated 500 CFM, operates at 9.0 sones.
  • Improves ventilation and lighting over your stove.
  • 390 CFM and 6 sones. The choice of 6 inch round duct (includes damper and adapter) or non-ducted discharge allow you to make the right installation decision for your home.
  • HeatSentry automatically turns blower to high speed when excess cooking heat is detected.
  • Recommended for use with LB30, LB36, LT30, and LT36 liners (purchase separately).
  • Depth 11-1/4″, Height 9-5/8″ and Width 20-1/2″ (inches).
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Backdraft Exhaust Damper Seal 4 Inch by Calimaero One Size Fits All 4 Duct Backdraft Damper Gravity Powered Made in Germany 4 Inch HVAC Damper Dryer Vent Valve Keep Cold Air Out

  • PRODUCT FEATURES This 4inch damper vent air blocker does what it is designed to do. It prevents outside air from entering back into your house via dryer, bathroom fan, and grow tent. You will be very pleased with the quality, functionality, value, and ease of installation of this product..
  • EASY INSTALLATION The 4 inch backflow preventer is easy to install. You will only cram these in the 4" duct and the rubber flap will seal off drafts coming in from your dryer vent or bathroom exhaust fan. Make sure the flaps open away from the ventilator. The outer rubber ring creates a seal around the strong plastic body giving you the perfect vent damper..
  • FLEXIBLE This backdraft damper's main recycled plastic part is small enough to fit into almost all PVC, metal, and other ducts with 4 inch size. No need to buy multiple products to find the one that works. Purchase with ease and relax in your draft free living space..
  • CONVENIENT This 4 inline damper duct valve gummi flaps are easy to open for almost all dryers or booster fans. The lack of moving spring will ensure a long lifespan that will save you time and money. As the product ....
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AC Infinity 6\ Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 6” Ducting in Range Hoods and Bathrooms Fans

  • 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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AC Infinity 4\ Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 4” Ducting in Range Hoods and Bathrooms Fans

  • 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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AC Infinity 8” Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 8” Ducting in Range Hoods and Bathrooms Fans

  • 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 8 in. Duct Openings | Product Length: 5.03 inches | Finish: Powder Coat.
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Three-way plastic side wall/ceiling register in white 14 w X 6 h for duct opening outside dimension is 15.75 w X 8 h

  • The Listed size 14"x 6" is for inside duct opening measurement(the duct hole), actual outside dimension is 15.75" X 8".
  • All plastic construction with 1/2" fin spacing for high air flow with rust proof feature perfect for areas with high moisture.
  • Three way air deflection design with bright white face and black damper in the back.
  • Multi-shutter damper with easy handle to adjust desired amount of air flow.
  • Two screw holes on each side with two screws included.
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8 Round Take-Off Collar w/Damper 26 ga.

  • Special Features: Pre-sealed / Low Leakage Hardware.
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Imperial 4 in W x 4 in L White Plastic Exhaust Vent - Case Of 1

  • Exhaust duct designed with butterfly damper for maximum airflow and energy conservation.
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Genesis & The Opening of the Way

  • The Listed size 12"x 8" is for inside duct opening measurement (the duct hole) , actual outside dimension is 13.75" X 9.75".
  • Stamped Face Steel Construction with 1/2" fin spacing for high air flow.
  • Multi-shutter damper with easy handle to adjust desired amount of air flow.
  • Individually shrink wrapped with card board pad in the back for extra protection.
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Dundas Jafine CHK100ZW6 Vents, 4-Inch, White

  • Professional Series, 4" Wide Mouth Cap With 4" Diameter Aluminum Pipe.
  • Snug fit back draft damper helps prevent cold air, snow or rain from entering the home.
  • Damper has been designed for superior noise reduction.
  • Removable pest screen that helps to keep pests out and allows for easy cleaning of the duct.
  • Snap on pipe to cap assembly that eliminates the need for lint trapping staples.
  • UV resistant coating to prevent the cap from discoloring.
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Draft Blocker 4 Inch - Backdraft Damper - Draft Stopper - Backflow Preventer - Vent Deflector (4'' Inch)

  • 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 ....
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