Confined Space Fan Blower/Fan Speed 3 800 RPM Includes 15 ft Duct Extension Canister With 25 ft or 50 ft Duct Current (A) 22 A Duct Diameter 8 in Horsepower 1/4 hp Maximum Flow in Free Air 816 cfm Voltage 12 V DC Color Orange For Use With Suction Ventilation Material Neoprene Nylon Polyester Polyethylene Polypropylene PVC Steel Vinyl Height 13 3/4 in Length 13 1/4 in Width 12 in Standards 29CFR1910.146 Type Axial