John Guest PEX Union Coupler, 1/2" CTS, Black - Pack of 10, Reliance Worldwide, Mfr#: PSEI0420E

JOHN GUEST PEX UNION COUPLER, 1/2" CTS, BLACK 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.