MADE FROM BRASS 2 METRES FLEXI PIPE WITH SWIVEL POL ADAPTER IN ONE END AND SOLID POL ADAPTER ON OTHER END. YOU CAN CONNECT 2 GAS BOTTLES. left hand thread fitting to 5/8 BSP LH WE WILL NOT TAKE ANY RESPONSIBILITY FOR FILLING THESE BOTTLES How many liters of LPG you can safetly put in the gas cylinder: LPG: KG to Litres (-20%) 3.9kg 7 Litres 6kg 10 Litres 13kg 24 Litres 19kg 35 Litres 47kg 90 Litres LPG: 1KG = ~2Litres WE ALSO HAVE FILLING POINT WITH NON-RETURN VALVE FITTED