Blast Gate For Nominal Duct Diameter 6 in Body Material Steel Overall Length 5 in Product Type Manual Blast Gate Weight 5.9 lb Maximum Pressure Rating 42 in wc Blade Material Galvanized Steel Maximum Temperature Rating 250 Degrees F Body Material Thickness 22 ga Overall Depth 5 in Overall Width 8 in Shape Rectangular Inside Diameter 6 in Color Silver Connection Type Clamp Together