Plumbing Supplies
1/4" 3/8" 1/2" 3/4" NPT BSPT Male To Female Thread Brass Reducer Bushing Reducing Pipe Fitting Coupler Connector Adapter 229PSI
1/4" 3/8" 1/2" 3/4" NPT BSPT Male To Female Thread Brass Reducer Bushing Reducing Pipe Fitting Coupler Connector Adapter 229PSI
https://www.bizrate.co.uk/plumbingsupplies/1-4-3-8-1-2-3-4-npt-oid26068385944.html