Dual 450C Onboard Air System Use for up to 40 Tires;2.5 Gallon 150 PSI VIAIR Air Tank;(2) 450C VIAIR Compressors;30ft. Coil Hose with Quick Connects;Tire Inflation Gun with 200 PSI Gauge;0-220 PSI Pressure Regulator;(2) 15ft. 1/4 Air Line Included;12-Volt;Permanent Magnetic Motor;Duty Cycle: 100% @ 100 PSI;Max. Working Pressure: 150 PSI;Max. Amp Draw: 44 Amps;Ingress Protection Rating: IP67 VIAIR VIAIR Dual 450C Onboard Air System - 20017 20017 Onboard Air System - OBA