Butane Gas Regulator 4.5kg Calor Bottle Caravan Motorhome LPG 28mbar
Butane Gas Regulator. How to connect a 4.5kg Butane gas bottle -. How to disconnect a 4.5kg Butane gas bottle. This gas bottle takes a regulator that screws on to the valve outlet—both have a connecting nut that features a black sealing washer.