Co2 Regulator Beer Keg Regulator Cga-320 Kegerator Regulator, Dual Gauge Beer Threaded Quick Disconnect: Threaded barb keg regulators are equipped with a 1/4'' swivel nut that allows the CO2 regulator to be used with hose sizes of 1/4? and 5/16? I.D Premium Material No Leakage: The beer regulator is Heavy-duty chrome-plated brass body and anti-rust.The Kegerator regulator CO2 comes with CGA320 sealing washers, ensuring a secure and leak-free connection. Always place a washer between the lock-down nut and the CO2 tank for a tight seal Precise Clear Gauges: Our CO2 pressure regulators are built to last. The left gauge (0-3000psi) can monitor the amount of CO2 in the tank at any time, and the top gauges are output pressure(0-60psi). The keg pressure can be accurately fine-tuned while avoiding damage to the pressure gauge due to excessive pressure Easy To Adjust Knob Safe Relief Valve: The keg adjustment knobs of the beer keg regulators are easy to turn and precise fine-tuning CO2 levels from 0-60psi.For safety, the pressure relief valve automatically releases pressure in the keg when the pressure at around 50psi, or can be pulled out manually to regulate pressure After Sales: WELLBOM has a professional production and high-quality products and provides excellent after-sales service, If you have any questions about our CO2 regulator dual, we will do our best to help you solve the problem