All Star Regenerative Air Blowers; Inlet Size: 2.5; Outlet Size: 2.5; Horse Power: 11.50; Amperage Rating: 36.3000; Cubic Feet Per Minute: 410 SCFM; Height (Inch): 28; Width (Decimal Inch): 28; Maximum Working Water Pressure: 128.00; Maximum Vacuum Water Pressure: 137.00; Overall Length: 36.00; Phase: 3-