Backdraft dampers with galvanized steel collar and lightweight aluminum damper blades
Spring loaded for positive closure
4'' Duct

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 6.5 inch
Height : 5.7 inch
Length : 8 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 6.4 ounce (View shipping rates and policies)

ASIN : B000CDAFE6