All Star Regenerative Air Blowers; Inlet Size: 2.5; Outlet Size: 2.5; Horse Power: 17.5; Amperage Rating: 53.0000; Cubic Feet Per Minute: 600 SCFM; Height (Inch): 28; Width (Decimal Inch): 30; Maximum Working Water Pressure: 106.00; Maximum Vacuum Water Pressure: 104.00; Overall Length: 36.00; Phase: 3-