M10-M20 Metric 1/8" 1/4" 3/8" 1/2" BSPP NPT Feamel x 1/8-1 Inch 3-16mm Compression Union 304 Stainless Pipe Fitting Connector

M10-M20 Metric 1/8" 1/4" 3/8" 1/2" BSPP NPT Feamel x 1/8-1 Inch 3-16mm Compression Union 304 Stainless Pipe Fitting Connector

Aliexpress UK