For fans that do not have built-in back draft dampers, our butterfly dampers should be used to prevent cold air from entering the house. These Famco dampers are galvanized and have a high-quality foam seal to prevent air infiltration. They can be used in either vertical or horizontal applications.
| Weight | 1 lbs |
|---|---|
| Dimensions | 8 × 7 × 7 in |
| Diameter | 4", 5", 6", 7", 8" |
Related products
Renewaire
$61.00
Ventilation
$12.53 – $15.53
Renewaire
$17.50
Ventilation
$13.00
Ventilation
$72.00
Ventilation
Ventilation
$13.00 – $16.75
Ventilation
$18.75
$122.00 – $344.00
Ventilation
$12.50 – $15.40
Panasonic
$278.25
Renewaire
$48.50 – $94.00