The ROLAIR® 2-HP (115V), 4.1 CFM@90PSI, 4.5 Gal Vertical Pancake Compressor is a quality built unit designed to meet the needs of you high-pressure pneumatic tools. This unit outputs 4.1 cubic-feet-per-minute (CFM) at 90 pounds-per-square-inch (PSI) to power your nail guns, staple guns, sanders, grinders and more. A 2-horsepower motor outputs a sufficient force of 3400-RPM while operating quietly. This 2-hp air compressor uses a single-stage pump that makes it as efficient as possible.