Boeray 2pcs 1/2 Inch NPT Male to 1/4 Inch NPT Female Reducer Brass Pipe Hose Tube Fitting Reducing Hex Head Bushing Adapter Convert - - Amazon.com
Amazon.com: uxcell 1/4 Inch Drive (F) x 1/2 Inch (M) Socket Adapter, Female to Male : Tools & Home Improvement
Charlotte Pipe 3/4 in. x 1/2 in. PVC Schedule 40 MPT x S Reducer Male Adapter PVC 02110 0600HD - The Home Depot
Amazon.com: Megairon 1/2" Male NPT to 1/4" Female NPT Female Reducing/Reducer Bushing Pipe Fitting,Adapter,Stainless Steel SS 304 Hex Bushing : Industrial & Scientific
DEWALT 1/4-in to 1/2-in Socket Adapter in the Socket Adapters department at Lowes.com
NIBCO 1-1/2 in. x 1-1/4 in. PVC DWV Hub x Slip-Joint Trap Adapter C48017HD112114 - The Home Depot
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
2" to 1-1/4" Hitch Reducer | Discount Ramps
PROTO, 1/4 in_3/8 in_1/2 in Output Drive Size, Square, Socket Adapter Set - 19C375|JHA4S - Grainger
Nickson 2 1/2in I.D. x 2 1/4in O.D. Adapter
Threading Adapter, NPT 1/2 Female to G 1/4 Male
R1234YF Adapter 1/2" ACME Left Hand Female to 1/4" SAE Male #3110 | Enviro-Safe Refrigerants, Inc.
LTWFITTING 1/2 in. FIP x 1/4 in. MIP Brass Pipe Adapter Fitting (5-Pack) HF1028405 - The Home Depot