Viair 10009 X’Treme Duty 2 Gal. OBA On-Board 12V 150 PSI Dual Air Compressor Kit. VIAIR’s X’treme Duty Onboard Air System is a pre-packaged compressed air solution that provides two fast 350C, 100% duty cycle compressors, 2.0 gallon air tank, inline pressure regulation, and all components needed to install a working system capable of inflating tires, managing air locking differentials, and more. For up to 37′ Tires. FEATURES – 2.0 Gallon VIAIR Air Tank – (2) 350C VIAIR Compressors w/Thermal Overload Protectors – 30ft. Coil Hose with Quick Connects – Tire Inflation Gun with 160 PSI Gauge – Dash Panel Gauge with ON/OFF Switch – 0-220 PSI Pressure Regulator – Blow Gun Air Tool – Sealed Pressure Switch (110 PSI on, 145 PSI off) – (2) 40-amp Relays – (2) T-Fittings 1/4″ (M) x 1/4′ (F) x 1/8″ (F) – 1/4″ Quick Connect Stud (F) – 1/4″ Quick Connect Coupler (F) – 1/4″ 175 PSI Safety Valve – 1/4″ Drain Cock – (2) 1/8″ BSP to 1/4″ NPT – (4) 1/4 Compression Fittings – 20ft. 12-Gauge Wire with Inline Fuse Holder – 4 Strip of Continuous Grommet Material – Accessory Airline – Electrical Connections. Working Pressure: 150 PSI – Max.