![Proline Series 1/2-in x 1/2-in Compression Coupling Union Fitting in the Brass Fittings department at Lowes.com Proline Series 1/2-in x 1/2-in Compression Coupling Union Fitting in the Brass Fittings department at Lowes.com](https://mobileimages.lowes.com/productimages/5b709a26-e90c-438a-ab43-4b43a9775eda/42396536.jpg)
Proline Series 1/2-in x 1/2-in Compression Coupling Union Fitting in the Brass Fittings department at Lowes.com
![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._AC_UF894,1000_QL80_.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
![LTWFITTING 5/8-Inch OD x 1/2-Inch OD Compression Reducing Union,Brass Compression Fitting(Pack of 5) - Compression Fitting Ferrules - Amazon.com LTWFITTING 5/8-Inch OD x 1/2-Inch OD Compression Reducing Union,Brass Compression Fitting(Pack of 5) - Compression Fitting Ferrules - Amazon.com](https://m.media-amazon.com/images/I/51ZtOpUwCuL._AC_.jpg)