Viair 35030 350C Air Compressor Kit 12 VOLT - 150PSI Max Working Pressure, engine must be running during use. 1.17 CFM Free Flow @ 0 PSI Hardmount unit with mounting feet and four screw positions, includes vibration isolators and hardware. 100 percent duty cycle @ 100 PSI and 72 degrees F ambient Temp. Can be used to inflate helper bags for load leveling, inflate four tires up to 32 inches in diameter or use with heavy duty air horns.