All Star Regenerative Air Blowers; Inlet Size: 2"; Outlet Size: 2"; Horse Power: 5.0; Amperage Rating: 14.9000; Cubic Feet Per Minute: 165 SCFM; Height (Inch): 23; Width (Decimal Inch): 24; Maximum Working Water Pressure: 167.00; Maximum Vacuum Water Pressure: 166.00; Overall Length: 24.00; Phase: 3-