Confined Space Blower Blower/Fan Speed 1 725 RPM Includes Aluminum Blower Wheel Conductive Housing Grounding Lug Current (A) 12.6 A Duct Diameter 8 in Horsepower 3/4 hp Maximum Flow in Free Air 1 570 cfm Voltage 115 V AC Color Gray For Use With 8 in Duct Material Aluminum Polyethylene Steel Height 27 in Length 27 in Width 24 in Standards CE Registered CSA C/US Certified Type Centrifugal Explosion Proof