![1/2" NPT Female to 3/8" NPT Female Brass Pipe Reducing/Reducer Coupling: Industrial Pipe Fittings: Amazon.com: Industrial & Scientific 1/2" NPT Female to 3/8" NPT Female Brass Pipe Reducing/Reducer Coupling: Industrial Pipe Fittings: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61pVI-6Yo8L._AC_UF894,1000_QL80_.jpg)
1/2" NPT Female to 3/8" NPT Female Brass Pipe Reducing/Reducer Coupling: Industrial Pipe Fittings: Amazon.com: Industrial & Scientific
![SharkBite 1/2-inx 3/8-in (1/2-in O.D.) PEX Crimp Brass Reducing Coupling in the PEX Pipe, Fittings & Specialty Tools department at Lowes.com SharkBite 1/2-inx 3/8-in (1/2-in O.D.) PEX Crimp Brass Reducing Coupling in the PEX Pipe, Fittings & Specialty Tools department at Lowes.com](https://mobileimages.lowes.com/productimages/29175e03-0c6b-4445-ba3a-2c6ca6d8eede/07825487.jpg?size=pdhism)
SharkBite 1/2-inx 3/8-in (1/2-in O.D.) PEX Crimp Brass Reducing Coupling in the PEX Pipe, Fittings & Specialty Tools department at Lowes.com
![Brass Coupling Reducing Coupler | Brass Hose Fitting Reducer | Pipe Fittings - 3300 2pcs - Aliexpress Brass Coupling Reducing Coupler | Brass Hose Fitting Reducer | Pipe Fittings - 3300 2pcs - Aliexpress](https://ae01.alicdn.com/kf/H191228ce10ed44f38605ee900b41edefD/3300-2pcs-NPT-Thread-1-8-1-4-3-8-1-2-Brass-Hose-Fitting-Reducer.jpg)
Brass Coupling Reducing Coupler | Brass Hose Fitting Reducer | Pipe Fittings - 3300 2pcs - Aliexpress
![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 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](https://m.media-amazon.com/images/I/51ckGjDcG9L.jpg)
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
![Amazon.com: FasParts 3/8" Female NPT to 1/4" Female NPT FIP FPT Reducing Coupling Brass Pipe Fitting Fuel/Air/Water/Boat/Gas/Oil WOG : Industrial & Scientific Amazon.com: FasParts 3/8" Female NPT to 1/4" Female NPT FIP FPT Reducing Coupling Brass Pipe Fitting Fuel/Air/Water/Boat/Gas/Oil WOG : Industrial & Scientific](https://m.media-amazon.com/images/I/31cDtTAqK+L._AC_.jpg)
Amazon.com: FasParts 3/8" Female NPT to 1/4" Female NPT FIP FPT Reducing Coupling Brass Pipe Fitting Fuel/Air/Water/Boat/Gas/Oil WOG : Industrial & Scientific
![Merit Brass - Pipe Reducer: 3/8 x 1/4″ Fitting, 304 Stainless Steel - 36900413 - MSC Industrial Supply Merit Brass - Pipe Reducer: 3/8 x 1/4″ Fitting, 304 Stainless Steel - 36900413 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/3690041-24.jpg)
Merit Brass - Pipe Reducer: 3/8 x 1/4″ Fitting, 304 Stainless Steel - 36900413 - MSC Industrial Supply
![Amazon.com: Legines Brass 3/8" NPT Female x 1/4" NPT Female Reducing Coupling, Hex Reducer Coupler Adapter Pipe Fitting 1200psi (Pack of 2) : Industrial & Scientific Amazon.com: Legines Brass 3/8" NPT Female x 1/4" NPT Female Reducing Coupling, Hex Reducer Coupler Adapter Pipe Fitting 1200psi (Pack of 2) : Industrial & Scientific](https://m.media-amazon.com/images/I/518odF4YDBL.jpg)
Amazon.com: Legines Brass 3/8" NPT Female x 1/4" NPT Female Reducing Coupling, Hex Reducer Coupler Adapter Pipe Fitting 1200psi (Pack of 2) : Industrial & Scientific
![LTWFITTING 3/8 in. FIP x 1/4 in. FIP Brass Pipe Reducing Coupling Fitting (20-Pack) HF98R6420 - The Home Depot LTWFITTING 3/8 in. FIP x 1/4 in. FIP Brass Pipe Reducing Coupling Fitting (20-Pack) HF98R6420 - The Home Depot](https://images.thdstatic.com/productImages/bb71050d-a034-4d56-89db-da84889b7e35/svn/brass-ltwfitting-brass-fittings-hf98r6420-64_600.jpg)