Blast Gate, For Nominal Duct Diameter 6 in, Body Material Grade 304, Body Material Stainless Steel, Overall Length 5 in, Product Type Manual Blast Gate, Weight 3.75 lb, Maximum Pressure Rating 42 in wc, Blade Material Galvanized Steel, Maximum Temperature Rating 1,100 Degrees F, Body Material Thickness 22 ga, Overall Depth 5 1/2 in, Overall Width 8 in, Shape Rectangular, Inside Diameter 6 in, Color Silver, Connection Type Clamp Together