Confined Space Fan Kit Blower/Fan Speed 4 200 RPM Includes 15 ft Duct 6 ft Duct Manhole Ventilation Pass-thru Storage Bag Current (A) 13 A Duct Diameter 8 in Horsepower 1/4 hp Maximum Flow in Free Air 1 150 cfm Voltage 12 V DC Color Orange For Use With 8 in Duct Material Steel Height 15 in Length 28 in Width 13 5/8 in Type Axial