Confined Space Centrifugal Blower Air Driven 4 HP Duct Dia 8 In. Material Steel Blower/Fan Speed 3000 rpm Maximum Flow in Free Air 3000 cfm Inlet Connection 8 In. Max Inlet Pressure 60 psi Air Consumption 10 to 100 cfm Standards CE Color Gray Length 23 In. Width 12 In. Height 19 In. Includes Blower 6 ft Conductive Duct 15 ft Conductive Duct Conductive Saddle Vent(r) Universal Mount Duct Carrier And 90 Degrees Conductive Elbow