Air Compressor Pump Lubrication Type Splash Lubricated Number of Stages 1 Maximum Output Power 1 hp Free Air Flow Rate @ Maximum Pressure 2.1 cfm @ 150 psi Number of Cylinders 1 Maximum Operating Pressure 150 psi Flywheel Diameter 10 1/8 in Flywheel Included Yes Pump Speed 1 200 RPM Compressor Type Piston Construction Cast Iron Groove Section A Number of Grooves 1 Valve Type Disc Valve Material Stainless Steel Cylinder Material Cast Iron Rotation CW Stroke Length 1 3/4 in