Regenerative Blower, Inlet Size 1-1/2 In. (F)NPT, Outlet Size 1-1/2 In. (F)NPT, 2.5 HP, Voltage 200-230, 1 Phase, 11 Full Load Amps, Max. Pressure 80 In. WC, Max. Flow Rate 154 CFM, Max. Vacuum 70 In. WC, Max. Ambient Temp. 104 Degrees F, Housing Material Aluminum Alloy, Overall Length 15-7/32 In., Overall Height 13-7/8 In., Overall Depth 13-9/16 In., Standards Class B NEMA Insulation