Backdraft Damper 8 - Ducting Insert 8" Black Galvanized Steel pots-and-containers An ultra-quiet UL-certified blower system

An ultra-quiet UL-certified blower system designed for cooling cabinets that requires minimal noise

Hoe Blade Length: 3

such as in wastewater

Comes in 250 foot roll

A320v3 SPECS:

Backdraft Damper 8 - Ducting Insert 8" Black Galvanized Steel pots-and-containers An ultra-quiet UL-certified blower systemAn 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 8 in. Duct Openings Product Length: 5. 03 inches Finish: