4 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting Insert Backflow Preventer Inline Fan Vent Vent Deflector (4 in)
$9.99
Features
[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.
[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.
Details
Introducing the 4 Inch Draft Blocker Backdraft Damper - the ultimate solution for improving ventilation in your home or business. Made with high-quality materials including galvanized steel, aluminum flap leaves, and stainless steel axis and spring, this backdraft damper is built to last.
Installation is a breeze - simply push the damper into your ventilation pipe until it reaches its maximum depth. Ensure the spring is positioned horizontally when installing the flap horizontally, or vertically for vertical installation. This ensures optimal opening and closing functionality.
Functionality is where this backdraft damper truly shines. By fitting over the TD lip, it prevents air from recirculating when your fans are not in use. This means improved ventilation and energy efficiency, making it an essential addition to any AC, exhaust fan, extractor, range hood, heating duct, vent, or other residential, commercial, or industrial application.
It's important to note that our backdraft dampers can be inserted into both flexible and non-flexible ventilation ducts, providing versatility for any installation. However, please keep in mind that they cannot be used with plastic ducts due to sizing differences.
Upgrade your ventilation system today with the 4 Inch Draft Blocker Backdraft Damper and experience the benefits of improved airflow and energy efficiency. Don't miss out - order now to enhance your indoor environment!
Discover More Best Sellers in Ducting
Shop Ducting
Selkirk Metalbestos Selkirk 6T-IT Insulated Tee with Plug Stainless, No Color
Ducting - Selkirk Metalbestos Selkirk 6T-IT Insulated Tee with Plug Stainless, No Color
UNITED STATES HDW/U S HA TV631515 7x6 BLK 24GA Reducer, Black
Ducting - UNITED STATES HDW/U S HA TV631515 7x6 BLK 24GA Reducer, Black
Ducting - DuraVent DuraBlack 6DBK-12 6 Inch Single Wall Steel Wood Burning Adjustable Chimney Stove Pipe Connector to Vent Smoke and Exhaust, Black
Rubber-Cal "Air Ventilator White" Ventilation Duct Hose (Fully Stretched), 12-Inch by 25-Feet
Ducting - Rubber-Cal "Air Ventilator White" Ventilation Duct Hose (Fully Stretched), 12-Inch by 25-Feet
3 Inch Galvanized Exterior Side Wall Cap with Damper and Screen
Ducting - 3 Inch Galvanized Exterior Side Wall Cap with Damper and Screen
Ducting - Hon&Guan 6'' Soffit Vent Exhaust Vent, 6 Inch Round Air Vent Dryer Vent Soffit with Built-in a Fly Screen for Bathroom Office Home(150mm）
Ducting - Single Wall Stainless Steel Pre-Engineered Grease Duct- Used for the removal of smoke and grease-laden vapors. No on-site welding required. (10" Round Duct, V Clamp Assembly)
Cone Top Chimney Cap in Galvanized Steel (4 Inch), Silver
Ducting - Cone Top Chimney Cap in Galvanized Steel (4 Inch), Silver
