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The John Guest range of CTS (Copper Tube Size) fittings are offered in 3/8', 1/2', 3/4' and 1' sizes. The fittings are manufactured from high quality engineered plastic with EPDM O-Rings and are suitable for hot and cold water plumbing applications.

John Guest PEX Union Coupler, 1/2&quot; CTS, Black, 10/PK

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