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Proline Series 1/2-in x 1/2-in Threaded Female Adapter Union Fitting in the Brass Fittings department at Lowes.com
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Amazon.com: 6Pcs 3/4" PVC Union Coupling Pipe Fitting (Socket x Socket) 3/4Inch PVC Slip Union PVC Adapter Coupling Schedule 40, EPDM O-Ring, White : Industrial & Scientific
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Amazon.com: 2Pcs 1-1/2" PVC Union Coupling Pipe Fitting (Socket x Socket) 1.5Inch PVC Slip Union PVC Adapter Coupling Schedule 40, EPDM O-Ring, White : Industrial & Scientific
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