This is a RideTech 5 gallon analog high flow 3/8" Big Red compressor leveling system. Ideal for vehicles weighting 3500 lbs or more such as pickup trucks. The High Flow Big Red solenoid quickly raises and lowers vehicles. Includes Big Red 3/8" air valve block, 4 Way analog control panel, 5 gallon aluminum tank, two Thomas air compressors, wiring harness and 3/8" lines and fittings.