Airmaxxx 400 Chrome Air Compressor 3 Gallon Steel Air Tank. Drain Valve 150psi on 180psi off Pressure Switch & Relay. One – airmaxxx AM400 Chrome Air Compressor One – 1/4″npt Check Valve One – 1/4″ Stainless Braided Leader Hose One – 3 Gallon 6 Port Steel Air Tank One – Pressure Switch 150 on/180 off One – Premium 40 Amp Relay One – 1/4 Drain Cock. Want to upgrade your kit?