Confined Space Blower/Exhauster Air Driven 1 1/2 hp HP Duct Dia 12 in Material Polyethylene Blower/Fan Speed 3 000 RPM Maximum Flow in Free Air 2 063 cfm Inlet Connection 3/8 in Male QD Fitting Max Inlet Pressure 100 psi Air Consumption 38 cfm Standards UL C-UL Listed for Use In Class 1 Groups A B C and D Hazardous Locations Color Blue Length 17 in Width 14 in Height 21 in