PORTER-CABLE C5101 15 Amp 1-1/2 Horsepower 20 Gallon Oil-Free Wheeled Single Hot Dog Compressor 150 psi max tank pressure stores more air in the tank for longer tool runtimes 120 psi cut-in pressure provides 30 psi Bonus Air before a 90 psi tool becomes inoperable 5.7 SCFM for faster tank recharge of 20 gal tank High-FloSM air regulator and push to connect coupler for reduced pressure drop and longer air tool runtimes Oil-free pump for oil spills/contamination and maintenance-free operation Full pneumatic tires for ease of mobility