Confined Space Fan Blower/Fan Speed 3 250 RPM Includes 25 ft Duct Canister Battery Clips CVF-8DC Axial Fan Current (A) 19 A Duct Diameter 8 in Horsepower 1/4 hp Maximum Flow in Free Air 974 cfm Voltage 12 V DC Color Red Material Plastic Height 13 in Length 16 in Width 11 in Standards CE Registered CSA C/US Certified Type Axial