Reducing adapter, Reduction adapter - All industrial manufacturers
3/8" NPT Female to 1/4" NPT Male Brass Pipe Adaptor/Adapter Straight Reducer /Reducing Coupling Male to Female: Pipe Fittings: Amazon.com: Industrial & Scientific
Minimprover 4 PCS Premiunm Brass Connector Adapter,1/2 Inch FIP x 3/8 Inch OD Compression,Compression x Female Reducing Adapter Pipe Fitting,Chrome Plated - Amazon.com
Forney 75533 Brass Fitting, Reducer Adapter, 3/8-Inch Male NPT to 1/4-Inch Male NPT - Air Tool Fittings - Amazon.com
Reducing Adapter: Brass, 1/2 in x 3/8 in Fitting Pipe Size, Female NPT x Male NPT | Imperial Supplies
QuickFitting 1/2 x 3/4 inch Male Reducing Adapter | Patented Design for Superior Sealing | Push On Brass MNPT Plumbing Pipe Connector | for Copper, PEX and CPVC | 5-Pack Reducer Fittings - Amazon.com
USA Industrials - Pipe Reducing Adapter: 1/2 x 1/4″ Fitting, 316 Stainless Steel - 96968086 - MSC Industrial Supply
Charlotte Pipe 2 in. x 1-1/2 in. PVC Schedule 40 MPT x S Male Reducer Adapter PVC021101600HD - The Home Depot
Brass Pipe Thread Adapter Fitting - FPT x MPT Reducer
316 Stainless Steel, 1 1/2 in x 1 in Fitting Pipe Size, Reducing Adapter - 30WA81|RI11/2EDX171 - Grainger
HOME-FLEX 3/4 in. CSST x 1/2 in. NPT Brass Reducing Adapter 11-429-101 - The Home Depot
316 Stainless Steel, 3/4 in x 3/4 in Fitting Pipe Size, Reducing Adapter - 14M047|12-12 RA-SS - Grainger
Brass, 1/4 in x 1/8 in Fitting Pipe Size, Reducing Adapter - 1DFY5|4-2 RA-B - Grainger
DURA 3 in. x 4 in. Schedule 40 PVC Reducing Male Adapter MPTxS 436-341 - The Home Depot
SS-16-RA-8 Swagelok Pipe Fitting, Reducing Adapter, 1 in. Female NPT x 1/2 in. Male NPT