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. 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.