Confined Space Fan, Blower/Fan Speed 3,300 RPM, Includes Bag, Duct, Current (A) 3.8 A, Duct Diameter 12 in, Horsepower 1/2 hp, Maximum Flow in Free Air 1,840 cfm, Voltage 120 V AC, Color Black, Yellow, For Use With 12 in Duct, Material Polyester, Polypropylene, PVC, Steel, Vinyl, Height 14 in, Length 28 in, Width 16 in, Standards CSA Certified, UL Recognized, Type Axial