� Low sound enclosure� 150 psig standard (125 psig available 10-15 HP)� Continuous operating capability� 60 gal. ASME/CRN receiver tank (3-7.5 HP Tank Mounted Version)� 120 gal. ASME/CRN receiver tank (10-15 HP Tank Mounted Version)� Single phase 230 TEFC motor (3-7.5 HP)� 3-phase, 208-230/460V and 575V, TEFC Motor� Start/stop operation � QRS 3.0 - 7.5 HP 3-phase� Load/no-load operation with timed shutdown � QRS 3.0 - 7.5 HP single phase and QRS 10-15 HP 3-phase� UL and cUL approved control panel� 5 year warranty with authorized start-up� Spin-on oil filter and separator� NEMA 1 electrical protection� Vibration isolated assembly