"Protect your business from unproductive and expensive downtime The Ingersoll Rand Duplex Reciprocating Compressor offers two individual 2-stage pumps and two motors mounted on a single 120-gallon horizontal tank, providing 100 built-in backup you'll have a motor and pump running even when one is down or additional air power for large-capacity jobs. Features the legendary T30 pump with value-added features in a space-saving design. 175 max. PSI, 230V, three-phase. Requires two Ingersoll Rand start-up kits, Item# 15920081 sold separately. HP 10 2, Pump Life hrs. 10,000, Dimensions L x W x H in. 87 x 33 x 52, Tank Type Horizontal, Motor Phases 3, Duty Cycle 100, Drive Belt, Stage 2, Volts 230, Air Tank Size gal. 120, CFM at 175 PSI 70.4, Max. PSI 175, Pump Cast iron, splash-lubricated."