[Heavy-duty CGA-320 Regulator, No Leak]Upgraded brewing beer co2 regulator for kegerator features a heavy-duty brass body, sturdy and durable. CGA-320 co2 regulator fits all standard co2 cylinders tanks with CGA-320 outlet. CGA-320 cylinder fitting features a hexagonal design for easy tightening with an adjustable wrench. Just put a white sealing kegerator regulator washer into gas cylinder connector, which can prevent connection between co2 cylinder and regulator from leaking. [Dual Gauge Regulator, Stable and Readable]co2 regulator for kegerator features dual pressure gauges, 0-60 psi output pressure gauge displays amount of co2 pressure provided to beer , 0-3000 psi cylinder pressure gauge displays amount of co2 pressure left in cylinder. Dual pressure gauge regulator can accurately and stably monitor working pressure in homebrew beer carbonation system at any time, and reading is simple, which is very suitable for brewing carbonated beverages, beer and tea. [Manually Adjust and Maintain Desired Pressure]The co2 regulator dual has 2 manual adjustment knobs to control entire brewing system pressure easily. You can set beer pressure to desired value by slowly turning pressure adjustment knob in inchand inch direction, then turn lock ring behind pressure adjustment knob to secure pressure adjustment knob and maintain a stable pressure setting. Open ON/OFF knob slowly to allow gas flows into , while closing it allows for easy beer tank swaps. [ User Safety with Pressure Relief Valve, 1/4 inch and 5/16 inch Barb Fittings]co2 tank pressure regulator has a manual pressure relief valve, you can pull it to release excess pressure when brew beer pressure reaches 45-50 psi to safety of users and gauges. Carbonated beverage brewing kit comes with O.D 1/4 inch and 5/16 inch quick disconnect barb fittings, which can be connected to co2 regulator beer threaded fitting to attach your I.D 1/4 inch and 5/16 inch brewing hose [Easy to Install and Wide Application]Extra hose clamps can further seal connection between beer gas tubing and barb fitting to no gas leakage. The beer regulator can be connected to ball lock disconnect, carbonation cap, corny cornelius by connecting line, which can be widely applied in your brewing system! Installation steps: 1. Turn off all knobs of CO2 regulator before using 2. Insert gas cylinder washer into CGA320 cylinder connector 3. Connect CO2 regulator to gas tank with a wrench 4. Slowly open CO2 tank 5. Slowly turn pressure adjustment knob towards "and" to set pressure 6. Install quick disconnect barb fitting to threaded fitting port 7. Attach your gas line and slowly open ON/OFF knob to let gas flow into 8. Pull pressure relief valve ring to release extra pressure How to check whether CO2 regulator is leaking 1) Turn pressure adjustment knob, and then slowly open ON/OFF knob 2) When (0-60psi) output pressure gauge stably displays that the current pressure is about 30psi, slowly close ON/OFF knob 3) If (0-60psi) output pressure gauge displays that pressure only decreases by about 2psi, it indicates that CO2 regulator has good air tightness 4) If the pressure displayed by (0-60psi) output pressure gauge decreases by more than 10psi, it indicates that CO2 regulator leaks. Please stop using and contact us material:metal Color as shown Package Contents: 1 x pressure valve 1 set of accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.