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, is easy to install, quiet (6174dB), fully packaged and wired. Can be installed anywhere by a qualified electrician no separate room is needed. Equipped with sound-attenuating enclosures and 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. This unit features a refrigerated dryer that removes all of the moisture from the air during use. U.S.A.