AC Infinity 4\ Backdraft Damper, One-Way Airflow Ducting Insert with Spring-Loaded Folding Blades for 4” Ducting in Range Hoods and Bathrooms Fans
- An antidraft duct insert designed for use with range hoods, bathroom fans and other home HVAC applications..
- Features outer rubber gaskets that create an airtight seal and grip between the damper and ducts..
- Mounts horizontally or vertically to prevent backflow and debris from entering ducting..
- Galvanized steel body with spring-loaded aluminum damper blades that open with minimal airflow..
- Fit for 4 in. Duct Openings | Product Length: 5.03 inches | Finish: Powder Coat.