4'' Backdraft Damper
Made of galvanized steel. Prevents reverse air flow when fans are shut off. Saves CO2 and prevents odors from flowing backwards. Rubber gasket pre-installed on exterior for an air tight seal.
$5.59
Original: $18.65
-70%4'' Backdraft Damper—
$18.65
$5.59Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Made of galvanized steel. Prevents reverse air flow when fans are shut off. Saves CO2 and prevents odors from flowing backwards. Rubber gasket pre-installed on exterior for an air tight seal.
