Blast Gate, For Nominal Duct Diameter 10 in, Body Material Cast Aluminum, Overall Length 15 3/8 in, Product Type Pneumatic Blast Gate, Weight 10.5 lb, Maximum Pressure Rating 2,434 in wc, Blade Material Galvanized Steel, Maximum Temperature Rating 300 Degrees F, Nameplate Voltage 110/120V AC, Number of Air Cylinders 2, Seal Material Not Applicable, Maximum Operating Pressure -30 in wc, Minimum Operating Pressure Not Applicable, Minimum Pressure Rating 80 psi, Overall Depth 4 in