All Star Regenerative Air Blowers; Inlet Size: 2"; Outlet Size: 2"; Horse Power: 8.50; Amperage Rating: 36.3000; Cubic Feet Per Minute: 340 SCFM; Height (Inch): 9; Width (Decimal Inch): 11; Maximum Working Water Pressure: 88.00; Maximum Vacuum Water Pressure: 80.00; Overall Length: 13.00; Phase: 3-