Round Fire/Smoke Damper,Galvanized Steel
dia, For Nominal Duct Diameter 16 in, Damper Application Fire and Smoke, Number of Panels 1, Overall Height 15 7/8 in, Overall Length 16 in, Rough Opening Shape Round, For Duct Shape Round, Overall Width 15 5/8 in, Frame Material Thickness 20 ga, Blade Material Galvanized Steel, Maximum Air Pressure 4 in wg, Overall Diameter 15 7/8 in, Rough Opening Width 16 in, Damper Type Dynamic, Maximum Air Velocity 3000 fpm, Nameplate Voltage 120V AC Round Motrzd Fire/Smoke Damper,15.9 In.