All Star Regenerative Air Blowers; Inlet Size: 2.5; Outlet Size: 2.5; Horse Power: 25; Amperage Rating: 75.0000; Cubic Feet Per Minute: 410 SCFM; Height (Inch): 28; Width (Decimal Inch): 30; Maximum Working Water Pressure: 317.00; Maximum Vacuum Water Pressure: 261.00; Overall Length: 38.00; Phase: 3-