Quarter Duty Onboard Air System 275C Viair Compressor;12V;2.0 Gallon Viair Air Tank;Duty Cycle: 25% @ 100 PSI;Max Working Pressure: 130 PSI;Amp Draw: 12 Amps;Omega Bracket with mounting hardware;Pressure switch;1/4 NPT drain cock;1/4 NPT compression fitting;145 PSI Safety Valve;20 ft. VIAIR VIAIR Quarter Duty Onboard Air System - 10002 10002 Onboard Air System - OBA