Attaches to butane gas tanks with 21mm clip-on valve. Hose nozzle for standard 8mm gas hose. Ideal for camping, gas cookers, barbecues and patio heaters. Operating pressure 29mbar. Max flow rate 1.5kg/h. Attaches to butane gas tanks with 21mm clip-on valve. Hose nozzle for standard 8mm gas hose. Ideal for camping, gas cookers, barbecues and patio heaters. Operating pressure 29mbar. Max flow rate 1.5kg/h.