"The remarkable technology designed into a rotary screw air compressor allows it to operate for extended periods at temperatures much lower than those generated by a reciprocating compressor. As a result, rotary screw air compressors are ideal for demanding industrial applications. Maintenance kit, Item# 305900 sold separately. Volts 230, Portable or Stationary Stationary, CFM at 90 PSI 28, Tank Description Horizontal, Air Tank Size gal. 80, Max. PSI 125, Dimensions L x W x H in. 54 x 29 x 61, HP 7 1/2. Compressor package comes standard with ODP electric motor Air-cooled aftercooler to reduce discharge air temperatures Full voltage motor starter mounted and wired Auto start/stop control Low sound/full sheet metal enclosure Prefilter 9000-hr. rated Ultra Coolant Oil filter and separator element ASME tank NEMA-1 electrical protection"