"HEIGHT 31.5IN,WIDTH 12IN.,DEPTH 12IN.,TANK DIAMETER 12IN.,WEIGHT 54LBS; INLET/OUTLET CONNECTIONS NPT 9/16; FLOW RATE-UP TO 500 SCFH; SUPPLY PRESSURE-110-200PSIG; DELIVERY PRESSURE-0 TO 50PSIG; ELECTRICAL-115VAC,60HZ,15AMP OR 220VAC,50HZ,9AMP; SELF CONTAINED UNIT INCLUDING CONTROL PANEL AND SURGE TANK"