Rolair 2-3HP Single Stage Air Compressor Pump PMP12K18CH, K18 Rol-Air. Will come bolted to wood, in new box and well packed. K18 Single-Stage Compressor Pump. Two-cylinder high-efficiency single-stage pump includes cast iron cylinders, stainless steel reed valves, automotive-style bearing inserts. Footprint: 7.08 In. X 5.19 In. Low RPM plus cast…