Airmaxxx 5 gallon aluminum air tank, dual 580 black air compressor & wiring kit. 2 – 3/8″ leader hoses, 22″ long. Airmaxxx 5 gallon 9 port seamless raw aluminum air tank (unfinished). 2 – 40 amp premium relay. 150 psi (on) / 180 psi (off) pressure switch 2 – 3/8npt check valves.