Plumbing Supplies
1/8 "1/4" 3/8 "1/2" 3/4 "1" -2 "BSP NPT Male Thread 304 Stainless Steel Hexagonal End Cap Flange Square End Cap Pipe Fittings
1/8 "1/4" 3/8 "1/2" 3/4 "1" -2 "BSP NPT Male Thread 304 Stainless Steel Hexagonal End Cap Flange Square End Cap Pipe Fittings
https://www.bizrate.co.uk/plumbingsupplies/1-8-1-4-3-8-1-2-3-4-oid27425960129.html