High capacity propane gas regulator featuring G3/8"LH female output connection with operating pressure 37mbar and max. flow rate 4kg/h. Ideal for catering cookers, larger grills and barbecues, powerful heaters and other high-flow devices. Attaches to all propane gas tanks with 5/8" POL-type valve. Use with Silverline Gas Bottle Spanner or other 30mm AF spanner.