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Everbilt 1/2 in. x 3/8 in. Copper Pressure Fitting x Cup Reducer Fitting C600HD21238 - The Home Depot
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1/2" NPT Female x 3/8" NPT Female Coupling Brass Reducing Fip Coupler Pipe Fitting, 5pcs - Amazon.com
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USA Industrials - Brass Pipe Reducing Hex Coupling: 1/2 x 1/8″ Fitting, Threaded, FNPT x FNPT - 96943840 - MSC Industrial Supply
![RELIABILT 3/4-in x 1/2-in Galvanized Reducing Coupling in the Galvanized Pipe & Fittings department at Lowes.com RELIABILT 3/4-in x 1/2-in Galvanized Reducing Coupling in the Galvanized Pipe & Fittings department at Lowes.com](https://mobileimages.lowes.com/productimages/9f16feba-b76f-4a99-bc20-8c89ee708db7/62943354.jpg)
RELIABILT 3/4-in x 1/2-in Galvanized Reducing Coupling in the Galvanized Pipe & Fittings department at Lowes.com
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Amazon.com: FasParts 1/2" Female NPT to 3/8" Female NPT FIP FPT Reducing Coupling Brass Pipe Fitting Fuel/Air/Water/Boat/Gas/Oil WOG : Industrial & Scientific
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Merit Brass - Brass Pipe Reducing Coupling: 1/2 x 3/8″ Fitting, Threaded, FNPT x FNPT, Class 125 - 02208973 - MSC Industrial Supply
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Merit Brass - Pipe Reducer: 1/2 x 3/8″ Fitting, 304 Stainless Steel - 36900439 - MSC Industrial Supply
![Lead Free Brass Reducing Coupling 3/8" COMP x 1/2" MIP Male Leak Proof Easy Connect Union (2 Pack) - Walmart.com Lead Free Brass Reducing Coupling 3/8" COMP x 1/2" MIP Male Leak Proof Easy Connect Union (2 Pack) - Walmart.com](https://i5.walmartimages.com/asr/49bf81a3-ea08-4c4e-9d06-2f0ff1dc8da3.8b10f3b6e08360792f5300fe994f35cb.jpeg)
Lead Free Brass Reducing Coupling 3/8" COMP x 1/2" MIP Male Leak Proof Easy Connect Union (2 Pack) - Walmart.com
![Southland 1/2 in. x 3/8 in. Black Malleable Iron FPT x FPT Reducing Coupling FItting 521-332HN - The Home Depot Southland 1/2 in. x 3/8 in. Black Malleable Iron FPT x FPT Reducing Coupling FItting 521-332HN - The Home Depot](https://images.thdstatic.com/productImages/b5a69c27-cdac-4545-b6d1-12ae9049e31f/svn/black-southland-black-pipe-fittings-521-332hn-64_600.jpg)