The A-series reputation has been built on quality, reliability and accessibility to all components. Products include air-cooled bare compressors, boosters and vacuum pumps. A-Series pumps include heavy duty cast iron construction, counterbalanced crankshaft to ensure smooth operation, deep-finned cylinders and heads. Superior lubrication is accomplished through a gear driven positive displacement oil pump powered by the crankshaft. Specifications and Features 5-10 hp Vacuum to 25’’ Hg (635 mm Hg) Airflow to 198 cfm (5.6 m3/min) Single Stage Pressure Lubricated