T7Design | 1/2" NPT Male to 3/4" Barb 90° Adapter
Stainless Steel Pipe Fitting, Gauge Adapter, 1/2 in. Female ISO Parallel x 1 /2 in. Male NPT | Adapters | Pipe Fittings | Fittings | All Products | Swagelok
1/2 Copper X 1/4" NPT Copper Male Adapter
Tube Compression x NPT Threaded Adapter - 1/4" Tube x 1/2" MNPT