Round NFMES Manual Blastgate, Galvanized Steel, 20 GA, 18 in W, 5 in L, 28-1/2 H
25 lb, Maximum Pressure Rating 42 in wc, Blade Material Galvanized Steel, Maximum Temperature Rating 250 Degrees F, Body Material Thickness 20 ga, Overall Depth 5 in, Overall Width 18 in, Shape Rectangular, Inside Diameter 14 in, Color Silver, Connection Type Clamp Together.Blast Gate, For Nominal Duct Diameter 14 in, Body Material Steel, Overall Length 5 in, Product Type Manual Blast Gate, Weight 18.