2Pack 8 Inch Backdraft Damper Duct, One-Way Airflow Ducting Insert, Backdraft Shutter Damper Connector Duct for 8 Inch Ducting in Range Hoods and Bathrooms Fans

FVIEXE 2Pack 8 Inch Backdraft Damper Duct, One-Way Airflow Ducting Insert, Backdraft Shutter Damper Connector Duct for 8 Inch Ducting in Range Hoods and Bathrooms Fans

Features
1. Designed for insertion into 8 inch ventilation ducts
2. Allow only one-directional airflow, the flap leaves only open in the outflowing air direction
3. Automaticallly Open, help to vent unwanted draft through the ventilaton duct
4. Automaticallly Close, prevent the ingress of cold or warm air and wind from entering through the ventilation duct

Specifications
Size: 8 inch
Color: Silver
Material: Galvanized Steel, Aluminum, Stainless Steel

Package Included
2 x Backdraft Damper

Warm Tips
1. Due to different monitors, the color of the objects in the picture may be slightly different from the actual object.
2. There may be slight errors in measuring dimensions by hand, please understand.

After-Sales Service
If you need this product, you might as well try it.
If you have any dissatisfaction or question about this product, you can contact us. We guarantee to provide you with a full solution within 24 hours and a full refund.

• Duct Valve for 8-Inch Duct: Back draught valves measures 19.5cm/7.7inch in Diameter, 8.7cm/3.4inch in length, designed for insertion into 8 inch ventilation ducts which are flexible or non flexible, NOT FOR plastic ducts.
• Solid Constrution: 8 inch backdraft damper features a Galvanized Steel Body with Aluminum Damper Blades and Stainless Steel Spring-Loaded Dampers, great to improve ventilation by preventing air from re-circulating when the fans are not in use.
• Unique Design: Spring-Loaded Dampers, ensure duct damper open and close automatically at low air volumes; Foam Seal Ring, can prevent lond rattling when the flap blades open or close and provides extra air tightness; Raised Outer Ring, Perfect fit 8inch pipe.
• Easy Installation: Just insert the backflow flap into the ventilation pipe as far as it will go, and you can finish installation. Note: To be opened and closed optimally, the position of the spring should be consistent when the flap is installed horizontally. Also applies to the vertical installation.
• Wide Range of Usages: Duct insert backdraft damper is perfect to use in air conditioners (AC), range hoods, heating ducts, exhaust fans, dryer vents, extractors, bathroom fans, blower fans, attic fans and other residential, commercial and industrial HVAC applications.