Backdraft Damper for 6 Inch Ducting With One Way Airflow and Spring Loaded Folding Blades for Range Hoods and Bathroom Fans AC Infinity Airtight Gasket Seal and Horizontal or Vertical Mount to Prevent Backflow and Debris

6-Inch Backdraft Damper with Airtight Duct Seal, Single Unit
✔️ Airtight seal for 6 in duct, powder-coated black finish

This backdraft damper blocks reverse airflow and debris in 6 inch duct runs, making it ideal for range hoods and bathroom fans. It installs horizontally or vertically to prevent backflow and keep ducts clean.

✅ 6 in (152.4 mm) duct opening
✅ Galvanized steel body with spring-loaded aluminum damper blades
✅ Outer rubber gaskets create airtight seal against duct walls
✅ Mounts horizontally or vertically to prevent backflow and debris
✅ Product length 5.03 in (127.7 mm); finish: powder coat black
✅ Fits standard round ducting for range hoods and bathroom fans

💡 What is a backdraft damper used for in home HVAC systems?

- Prevents backflow and drafts when HVAC is off, keeping rooms comfortable and energy efficient in 6 inch duct runs (152.4 mm) - Handy upgrade for range hoods and bathroom fans, sealing 6 inch ducts against debris - Uses spring-loaded blades for quick response with minimal airflow resistance - Works in horizontal or vertical installations, giving flexible setup