Industrial Air Contractor CSB1680521 4-1/2-Gallon Roll Cage Oil Free Direct Drive Air Compressor 1.6 HP oil-free direct drive induction motor is durable with a long life and has no belts or pulleys to change or maintain, and no oil to check or change Low-voltage start-up allows the compressor to be operated on extension cords Equipped with an unregulated port that is compatible with the patented H4X remote air hub 6.1 CFM at 40 PSI5.1 CFM at 90 PSI 150 max PSI