T-piece double connection for propane gas bottle/gas bottles (bottle system, connector, propane HD gas hose, for pressure regulator, regulator for tyre formation (icing) of your gas bottle. : Amazon.de: Garden
Gas Bottles and Cylinders | Flogas | Flogas
21mm Clip on Butane Regulator, for use with calor 7kg and 15kg bottles : Amazon.co.uk: DIY & Tools