Airmaxxx Chrome 480 Air Compressors 8 1/2npt Valves Air Bags Black 9 Switch. Includes: 2 – airmaxxx 480 Chrome Air Compressors 2 – 3/8″npt Stainless Steel Braided Leader Hoses 2 – 3/8″NPT Check Valves 8 – 1/2NPT Brass Air Valves 2 – Standard 2500lb Air Bags 2 – Standard 2600lb Air Bags 2 – Premium 40 Amp Relays 150 psi on, 180 psi off, Tank Pressure Switch 5 Gallon, 9 Port Steel Air Tank Black 9 Switch AVS Hand Held Controller.