LEIGAO For 5/16" size hoses Excellent for wine and beer brewing Suitable for bars, tasting rooms, restaurants, etc Perfect for kegs 5 gallon kegs 1.75 mini kegs half barrels quarter barrel units EASY TO ADJUST PRESSURE Quick and accurate pressure adjustments through big manual pressure adjustment knob with no tools needed Brief pulling of pressure relief valve helps ensure an accurate pressure reading on process of any adjustment to the regulator STABLE EASY-TO-READ DUAL GAUGE WITHOUT DRIFT 0-60 PSI gauge: Displays pressure transferred to your keg 0-3000 PSI gauge: Displays the amount of co2 pressure left in CO2 cylinder Effectively keep you knowing how much CO2 left in co2 tank YOU WILL SURPRISINGLY GET KIND NOTE Suggest pressure for beer: 10-30 PSI Pressure relief valve releases at 45 psi Not for gas blender or nitrogen generator application, just for CO2 Be sure regulator is connected in a dry environment, no lube or teflon, its a tube connection that has tight tolerance Suitable for large beer brewing system, Small kegs which are under 6 litres require a correspondingly precise regulator to set perfect pressure This is a large kegging system for beverage brewing, it is better to be used on the large capacity co2 tank Package Includes: 1pc co2 regualtor