Airmaxxx 5 gallon aluminum air tank & dual 580 black air compressors kit. Kit includes: 2 – airmaxxx 580 air compressors, black. 2 – 3/8″ leader hoses, 22″ long. 1 – airmaxxx 5 gallon 9 port aluminum air tank, black finish. 2 – 40 amp premium relay. 1 – 150psi (on) / 180psi (off) pressure switch 2 – 3/8npt check valves.