3/4" To 1/2" EMT Conduit Standard Adapter Shim - Maker Pipe
Brass, 1/2 in x 1/4 in Fitting Pipe Size, Reducing Adapter - 46M452|706120-0804 - Grainger
Apollo 1/2 in. Brass PEX-B Barb x 1/2 in. Male Pipe Thread Adapter APXMA1212 - The Home Depot
1 in x 1/2 in Fitting Pipe Size, Schedule 80, Reducing Adapter - 3FLP5|835-130SR - Grainger
M14 Female To 1/2 Inch 1/4 Inch M10*1 Male Pressure Gauge Fittings,m20 Female To 1/2 Inch 1/4 Inch Male Pressure Gauge Adapter - Pipe Fittings - AliExpress
1/2" 3/4" Bsp Female Male Thread Tee Type Reducing Stainless Steel Elbow Butt Joint Adapter Adapter Coupler Plumbing Fittings - Pipe Fittings - AliExpress
RV Faucet Adapter 1/2 to 3/8 Reducer WEWE Faucet Supply Line Adapter Brass 3/8 Compression Fitting Compatible with Water Pipe Connector 2 Pieces - - Amazon.com