6 In.dia Galvanized Steel Backdraft Damper, For Nominal Duct Diameter 6 in, Frame Material Steel, Number of Panels 2, Maximum Air Velocity Not Applicable, Overall Height 4 3/4 in, Rough Opening Diameter 5 3/4 in, Rough Opening Shape Round, Fits Fan Diameter 6 in; 16 in, For Duct Shape Oval, Free Area 26 sq in, Overall Width 6 1/4 in, Frame Material Thickness 1 mm, Overall Length 3 1/8 in, Frame Depth 1 3/8 in, Rough Opening Length 6 1/4 in, Overall Diameter 6 in, Rough Opening Width 6.3 in
✓ In stock
No reviews yet. Be the first to share your experience!