Can anyone help me here, I wonder? I have a refillable LPG bottle (Safefill brand) and the pigtail that fits it. At the end is a female connector which is 20 mm internal diameter, right handed thread. This would connect to a regulator to drop the pressure and thence to the gas stove, fridge, etc. I have a portable fridge and / or a Cadac barbie, which I want to run from this gas supply. How can I connect the pigtail to the Camping Gas regulator or another one I could buy, so I end up with a male push-fit outlet which I can connect to my fridge using standard rubber gas pipe? I don’t know the jargon name for the 20 mm connector, and all the regulators on the internet fail to show the inlet connection. The attached photo shows this 20 mm connector and the Camping Gas regulator input. If anyone knows who could supply either a 20 mm male to Camping Gas female connector, or a regulator with a male 20 mm input and a male rubber hose output, I would be immensely pleased! Put simply, I want to join the thing on the left of the photo to the thing on the right of the photo!