8 Inch Backdraft Damper For Ducts One Way Airflow With Spring Loaded Folding Blades Airtight Outer Gasket Seal Mounts Horizontally Or Vertically Perfect For Range Hoods And Bathroom Exhaust Fans Keeps Out Debris

8-Inch Backdraft Damper for Range Hoods and Bathrooms
✔️ Galvanized steel body, spring-loaded blades, airtight rubber gaskets

This backdraft damper insert blocks reverse airflow in 8-inch ducts, typically used with range hoods and bathroom exhaust fans. Its galvanized steel body houses spring-loaded aluminum blades and outer rubber gaskets seal tightly to the duct, preventing debris entry while minimizing airflow resistance.

✅ Outer rubber gaskets provide airtight seal and duct grip
✅ Galvanized steel body with spring-loaded aluminum damper blades
✅ Mounts horizontally or vertically to prevent backflow and debris entry
✅ Fits 8 in duct openings; length 5.03 inches; black powder coat finish

💡 What is an 8-inch backdraft damper used for in home ventilation? This handy device blocks backflow and debris in ductwork.

- Backflow prevention for kitchen range hoods and bathroom exhaust ducts - Airtight seal with outer rubber gaskets and duct grip - Flexible mounting for horizontal or vertical installation - Low resistance airflow with spring loaded damper blades