![Merit Brass - Brass Pipe Reducing Coupling: 1/2 x 3/8″ Fitting, Threaded, FNPT x FNPT, Class 125 - 02208973 - MSC Industrial Supply Merit Brass - Brass Pipe Reducing Coupling: 1/2 x 3/8″ Fitting, Threaded, FNPT x FNPT, Class 125 - 02208973 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/0220897-24.jpg)
Merit Brass - Brass Pipe Reducing Coupling: 1/2 x 3/8″ Fitting, Threaded, FNPT x FNPT, Class 125 - 02208973 - MSC Industrial Supply
![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)
Southland 1/2 in. x 3/8 in. Black Malleable Iron FPT x FPT Reducing Coupling FItting 521-332HN - The Home Depot
![LTWFITTING 1/2 in. O.D. x 3/8 in. O.D. Brass Compression Reducing Coupling Fitting (25-Pack) HF62R8625 - The Home Depot LTWFITTING 1/2 in. O.D. x 3/8 in. O.D. Brass Compression Reducing Coupling Fitting (25-Pack) HF62R8625 - The Home Depot](https://images.thdstatic.com/productImages/073b7abf-0637-4e27-bda6-2d0ecd3c291c/svn/brass-ltwfitting-brass-fittings-hf62r8625-64_600.jpg)
LTWFITTING 1/2 in. O.D. x 3/8 in. O.D. Brass Compression Reducing Coupling Fitting (25-Pack) HF62R8625 - The Home Depot
![Amazon.com: Legines Brass Reducing Coupling 1/2" NPT Female x 3/8" NPT Female, Hex Reducer Coupler Adapter Pipe Fitting 1200psi (Pack of 2) : Industrial & Scientific Amazon.com: Legines Brass Reducing Coupling 1/2" NPT Female x 3/8" NPT Female, 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 Reducing Coupling 1/2" NPT Female x 3/8" NPT Female, Hex Reducer Coupler Adapter Pipe Fitting 1200psi (Pack of 2) : Industrial & Scientific
![Merit Brass - Pipe Reducer: 1/2 x 3/8″ Fitting, 316 Stainless Steel - 36901692 - MSC Industrial Supply Merit Brass - Pipe Reducer: 1/2 x 3/8″ Fitting, 316 Stainless Steel - 36901692 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/3690169-24.jpg)
Merit Brass - Pipe Reducer: 1/2 x 3/8″ Fitting, 316 Stainless Steel - 36901692 - MSC Industrial Supply
![RELIABILT 1/2-in x 3/8-in Galvanized Reducing Coupling in the Galvanized Pipe & Fittings department at Lowes.com RELIABILT 1/2-in x 3/8-in Galvanized Reducing Coupling in the Galvanized Pipe & Fittings department at Lowes.com](https://mobileimages.lowes.com/productimages/f79dd89b-33fd-464c-8590-86f34884d9f0/62943314.jpg?size=pdhism)
RELIABILT 1/2-in x 3/8-in Galvanized Reducing Coupling in the Galvanized Pipe & Fittings department at Lowes.com
![Merit Brass - Pipe Reducer: 1/2 x 3/8″ Fitting, 304 Stainless Steel - 36900439 - MSC Industrial Supply Merit Brass - Pipe Reducer: 1/2 x 3/8″ Fitting, 304 Stainless Steel - 36900439 - MSC Industrial Supply](https://cdn.mscdirect.com/global/images/ProductImages/3690043-24.jpg)