AC Infinity Backdraft Damper Ducting Insert, 4-Inch, Black Galvanized Steel
Description Antidraft duct insert: This item is designed for use with range hoods, bathroom fans, and other home HVAC applications. It features outer rubber gaskets that create an airtight seal and grip between the damper and ducts. Mounting options: The product mounts horizontally or vertically to prevent backflow and debris from entering the ducting. It is made of galvanized steel with spring-loaded aluminum damper blades that open with minimal airflow. Size and Finish: This damper is suitable for 4 in. duct openings. The overall product length is 5.03 inches and it features a powder coat finish. Product Description: This ventilation ducting tool, designed for insertion into 4” ducting, prevents cold drafts and debris from flowing into ventilation systems. Built to be embedded in ducts, it made of sturdy galvanized steel and features two rings of outer rubber gaskets that enable an airtight seal in either a horizontal or vertical orientation. The damper blades, made of alum