Confined Space Fan, Blower/Fan Speed 1,725 RPM, Includes Metal Housing, Current (A) 6.3 A, Duct Diameter 16 in, Horsepower 1/2 hp, Maximum Flow in Free Air 2,900 cfm, Voltage 115/230 V AC, Color Orange, For Use With 16 in Duct, Material Aluminum, Epoxy, Neoprene, Polyamide, Polyester, Rubber, Steel, Vinyl, Height 19 in, Length 18 in, Width 18 in, Standards CSA Certified, UL Recognized, Type Axial