UK POL to M21.8 Male hose 2m LPG gas pipe bottle connection generator calor flog
One side: UK POL 5/8" LH swivel nut for gas bottles from flogas or calor with female valve (see pic). POL 5/8" LH x M21.8 LH. BIG NUT converts M21.8 end to FEMALE UK POL 5/8" LH. Other side: M21.8 LH connector.