Square Fire/Smoke Damper, 23-3/4 In. H, DAYTON, Mfr# 3HGJ8

23.75 In.H 16 In.L 24 In.W Motrzd Fire/Smke Dampr, For Nominal Duct Diameter Not Applicable, Damper Application Fire and Smoke, Number of Panels 1, Overall Height 23 3/4 in, Overall Length 16 in, Rough Opening Shape Square, For Duct Shape Square, Overall Width 24 in, Frame Material Thickness 16 ga, Blade Material Galvanized Steel, Maximum Air Pressure 4 in wg, Overall Diameter Not Applicable, Rough Opening Width 24 in, Damper Type Dynamic, Maximum Air Velocity 2000 fpm, Nameplate Voltage 24V DC