Designed for the professional, single-stage air compressors are ideal for most anyone, from the do-it-yourselfer to the professional air compressor user. Maximum air power and more delivered air (CFM) providing the power to do the job right and in less time. Durable cast iron construction with precision engineered quality components. Warranty on the pump extends to 2 years with the use of appropriate start-up kit (see below). U.S.A. CFM at 90 PSI: 18.1, Max. PSI: 135, Volts: 230, Amps: 22.5 at full load; 120 at startup; recommend 60 Amp dual pull breaker, HP: 11.5, Air Tank Size (gal.): 60, Tank Description: Vertical, Pump: Single-stage oil-lubricated belt-driven, Air Outlet Size (in.): 1/2, Portable or Stationary: Stationary, Dimensions L x W x H (in.): 20 x 30 x 71