This is a kind of fine quality beer keg CO2 regulator, double gauges designed to provide maximum convenience and durability in busy commercial environments like bars, tasting rooms, and restaurants. One gauge lets you know how much CO2 pressure is in the keg and displays 0-60 psi. The second gauge lets you know how much CO2 is left inside the CO2 tanks and features a 0-3000 PSI display. Allowing adjustments to be optimized for whatever you're dispensing. You can have a try.  Features: Double gauge CO2 regulator, which has been specially designed to provides maximum convenience and durability in busy commercial environments like bars, tasting rooms, and restaurants. Regulator keg beer works with any CO2 tanks with a CGA-320 valve. Both gauges feature an easy to read design. One gauge lets you know how much CO2 pressure is in the keg and displays 0-60 psi(1-4 bar). The second gauge lets you know how much CO2 is left inside the CO2 tanks and features a 0-3000 PSI(0-200 bar) display. Allowing adjustments to be optimized for the operational range of beer, wine, coffee or whatever you're dispensing. A large adjustment knob allows you to make quick and accurate adjustments by hand and turns effortlessly, even in freezing temperatures. The regulator body is constructed of forged brass with all brass connections and components, a sintered brass inlet filter, integrated nylon tank connection washer (and spare) and self resetting safety release valve. Comes with one adapter, transform W21.8-14RH to Tr21*4, easy to connected to beer keg. Large hand control makes it easy to adjust the pressure inside keg. Inlet nipple has a permanent thick nylon seal that eliminates one source of leaks, so you will not need to use a new fiber washer every time the can is changed.  Specifications: Name: CO2 Regulator Color: black + silver Material: stainless steel +copper Tanks pressure: 0-3000 PSI / 0-200 bar Working pressure: 0-60 PSI / 0-4 bar Item size: 148 * 128 * 90mm / 5.83 * 5.04 * 3.54in Item weight: 982g / 2.16lb Package size: 175 * 170 * 110mm / 6.89 * 6.69 * 4.33in Package weight: 1089g / 2.40lb  Package list: 1* CO2 Regulator 1 * Adapter 1 * Hose  Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.