The Professional Woodworker 4 Gallon Twin Stack Air Compressor is the perfect companion to all of your air tools. With its 4 gallon air tank and low profile stable design, it is ideal in almost any situation, whether it is on the top of a roof or on the other side of the garage. It features 15 amp, 1.5 HP motor that runs at 1720 RPM. It can run 4.2 CFM at 90PSI or 5.5 CFM at 40PSI, with a maximum of 115PSI. The motor on this compressor is a high-efficient, cold start twin capacitor induction motor with thermal overload protection. This compressor is extremely durable with its solid cast iron cylinder and durable steel air intake filter. It comes equipped with an air regulator and 2 regulated, factory installed air couplers that easily supports two users.