Quiet Rotary Screw (QRS) compressors are designed with the automotive aftermarket in mind, making them ideal for paint and body shops, tire shops, dealer service shops and general maintenance and repair shops. This compressor requires less maintenance than air-cooled reciprocating compressors, are easy to install, quiet (6174dB), fully packaged and wired. Canbe installed anywhere by a qualified electrician no separate room is needed. Equipped with sound-attenuating enclosuresand 120-gallon ASME horizontal tank. Includes a TEFC motor, adjustable V-belt drive, full voltage motor starter, auto start/stop, moisture drain, safety shutdown, air shutoff valve and safety relief valves. All 3-phase units come wired 230V and can be changed in the field to 208V or 460V.Max:128 PSI.Volts :208, 230, or 460.HP :25.Motor Phase(s): 3.Stages :1.Air Tank Size: 120 gal.Tank Description: Horizontal.Pump: Rotary screw, oil injected, air cooled, belt-driven.Air Outlet Size :1/2 in.Portable or Stationary :Stationary.Rated the QUIETEST in the Industry.Compressor is set to load or restart at 15 PSI below the max. operating or cut-out pressure.Produces 1520 percent more CFM than 150 PSI model.No valve rework, replacing valve strips or replacing bearings or rods.100 percent continuous duty (even when fully loaded).Dryer not included with this unit.