Best Exhaust Fan Backdraft Damper

Broan-NuTone F404201 42-inch Under-Cabinet 4-Way Convertible Range Hood with 2-Speed Exhaust Fan and Light, White

  • 42-INCH UNDER-CABINET RANGE HOOD INSERT: Fits neatly underneath cabinets to offer a complete solution to your kitchen ventilation needs by providing both an exhaust fan and overhead light.
  • IMPROVES KITCHEN AIR QUALITY: Provides a MAX 230 CFM and 6.5 Sones performance to quickly remove smoke and cooking odors from the air, and the 2-speed rocker switch allows for quick fan adjustments.
  • INTEGRATED LIGHTING: Built-in light with protective lens accepts up to a 75W incandescent bulb (not included) to evenly illuminate your cooking area and is controlled by a rocker switch for ease of use.
  • DISHWASHER-SAFE FILTER: One-piece dishwasher-safe aluminum grease filter offers easy cleaning and maintains optimum grease capture.
  • 4-WAY CONVERTIBLE INSTALLATION: Installs as 3.25" x 10" vertical or horizontal ducting with damper, 7" round vertical ducting (damper sold separately), or non-ducted with air recirculation (filter sold separately) to provide versatile installation at least 18" above the cooktop.
  • Four way convertible installs ducted 3-1/4-Inch by 10-Inch vertical or horizontal and 7-Inch round vertical and non-ducted.
  • Includes 3-1/4-Inch by 10-Inch damper/adapter and the 7-Inch round ad....
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Broan-NuTone F403604 36-inch Under-Cabinet 4-Way Convertible Range Hood with 2-Speed Exhaust Fan and Light, Stainless Steel

  • 36-INCH UNDER-CABINET RANGE HOOD INSERT: Fits neatly underneath cabinets to offer a complete solution to your kitchen ventilation needs by providing both an exhaust fan and overhead light.
  • IMPROVES KITCHEN AIR QUALITY: Provides a MAX 230 CFM and 6.5 Sones performance to quickly remove smoke and cooking odors from the air, and the 2-speed rocker switch allows for quick fan adjustments.
  • INTEGRATED LIGHTING: Built-in light with protective lens accepts up to a 75W incandescent bulb (not included) to evenly illuminate your cooking area and is controlled by a rocker switch for ease of use.
  • DISHWASHER-SAFE FILTER: One-piece dishwasher-safe aluminum grease filter offers easy cleaning and maintains optimum grease capture.
  • 4-WAY CONVERTIBLE INSTALLATION: Installs as 3.25" x 10" vertical or horizontal ducting with damper, 7" round vertical ducting (damper sold separately), or non-ducted with air recirculation (filter sold separately) to provide versatile installation at least 18" above the cooktop.
  • Four way convertible installs ducted 3-1/4-Inch by 10-Inch vertical or horizontal and 7-Inch round vertical and non-ducted.
  • Includes 3-1/4-Inch by 10-Inch damper/adapter and the 7-Inch round ad....
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Exhaust Fan , 18W Ventilation Extractor with Anti-backflow Check Valve Ultra Thin, Window and Wall Mount Vent Fans for Kitchen Bathroom Greenhouse Garage (6 inch / 110V) Thin fan

  • 【Ventilation fan with Check Valve and slim design 】 This 6” air duct vent has check valve. You can keep air reversible or exhausting cooking odors by your request. When the airflow stops, it can be closed by spring automatically. And if you don’t need the check valve, you can take it off easily..
  • 【Wall exhausted fan with filter】 When installed on glass, window or wall, it can be used to prevent dust, leaves, with ABS panel filter, providing you a clean air circulation environment..
  • 【Easy to install】--This wall-mounted vent fan can be installed on a window or wall and is easy to install. It is an advanced window exhaust fan and wall exhaust fan with powerful motor and high performance..
  • 【High Performance】--18W low energy consumption, noise lower than 35 dB. Also designed with back damper check valve which allows it open and close automatically with the fan..
  • 【Widely Used】--Extractor fan comes with a power cord with plug,perfect for greenhouse, attic, bathroom, kitchen, windows, basement, garage, office, living room and other places that need ventilation..
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Exhaust Fan , 12W Ventilation Extractor with Anti-backflow Check Valve Ultra Thin, Window and Wall Mount Vent Fans for Kitchen Bathroom Greenhouse Garage (4 inch / 110V) Thin fan

  • 【Ventilation fan with Check Valve and slim design 】 This 4” air duct vent has check valve. You can keep air reversible or exhausting cooking odors by your request. When the airflow stops, it can be closed by spring automatically. And if you don’t need the check valve, you can take it off easily..
  • 【Wall exhausted fan with filter】 When installed on glass, window or wall, it can be used to prevent dust, leaves, with ABS panel filter, providing you a clean air circulation environment..
  • 【Easy to install】--This wall-mounted vent fan can be installed on a window or wall and is easy to install. It is an advanced window exhaust fan and wall exhaust fan with powerful motor and high performance..
  • 【High Performance】--12W low energy consumption, noise lower than 35 dB. Also designed with back damper check valve which allows it open and close automatically with the fan..
  • 【Widely Used】--Extractor fan comes with a power cord with plug,perfect for greenhouse, attic, bathroom, kitchen, windows, basement, garage, office, living room and other places that need ventilation..
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Exhaust Shutter, Single Panel 30 In

  • Shutter Item: Backdraft Damper / Wall Shutter, Front Flange.
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Alde!

  • Highest Rated Premium Airflow Control Backdraft Dampers.
  • Spring-loaded butterfly aluminum damper blades encased in a 20-guage galvanized steel housing.
  • May be installed in any position or orientation to prevent backflow and designed for use in AC, Heating, Vent and other HVAC application temperatures....
  • Extremely easy and secure inline duct insertion installation. Available in 4", 5", 6", 7", 8", 10", 12", 14" and 16"..
  • Minimal pressure to open. 0.04 to 0.08 in. w.g. Maximum automatic back flow protection.
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Imperial VT0568 6-Inch R2 Premium Roof Vent Cap with Collar, Black

  • Built-in backdraft damper and bird screen.
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Air King DRLC701 Round Bath Fan with Light, Bronze

  • Decorative bath fan comes with a stylish oil-rubbed bronze grill and ribbed frosted glass light lens, giving your bathroom a sophisticated and illuminating glow.
  • Operates at 70 CFM at 4.0 scones, and comes with a 4" round duct collar with damper for quiet operation and protection against back drafts.
  • Exhaust fan and light can be wired to function separately.
  • Easy installation with included adjustable hanging brackets.
  • Uses two 26-watt medium base energy-efficient fluorescent lamps (not included), and can also accommodate 60-watt type A19 incandescent bulbs (not included).
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Air King E130S 1-Speed Eco Exhaust Bath Fan

  • Bath fan housing size measures 12-7/8" W x 12-3/4" D x 9-7/8" H and has 3 main components: source control, local exhaust and whole house ventilation.
  • Operates at 130 CFM at less than 0.3 scones.
  • Offers the lowest possible HVI-certified sound rating thanks to motor's large and quiet centrifugal blower wheel.
  • Comes with a 6" round duct connector with a spring-loaded metal damper for back draft protection, and has a side access panel that enables you to wire the fan from inside or outside the housing.
  • Fan is almost unnoticeable in your ceiling thanks to its low-profile grill, and its energy-efficient motor allows it to run continuously.
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Broan-NuTone 462423 24-inch Under-Cabinet 4-Way Convertible Range Hood with Infinite-Speed Exhaust Fan and Light, Black

  • 24-INCH UNDER-CABINET RANGE HOOD INSERT: Fits neatly underneath cabinets to offer a complete solution to your kitchen ventilation needs by providing both an exhaust fan and overhead light.
  • IMPROVES KITCHEN AIR QUALITY: Provides a MAX 260 CFM and 7.5 Sones performance to quickly remove smoke and cooking odors from the air, and the rotary fan speed control allows for precise adjustments.
  • INTEGRATED 2-level LIGHTING: Built-in light with protective lens offers two levels of brightness control and accepts up to a 75W incandescent bulb (not included) to evenly illuminate your cooking area.
  • DISHWASHER-SAFE FILTER: One-piece dishwasher-safe aluminum grease filter offers easy cleaning and maintains optimum grease capture.
  • 4-WAY CONVERTIBLE INSTALLATION: Installs as 3.25" x 10" vertical or horizontal ducting with damper, 7" round vertical ducting (damper sold separately), or non-ducted with air recirculation (filter sold separately) to provide versatile installation options.
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