5/8 x 3/8 OD Compression Reducing Union Fittings, Lead-Free Brass (Bag of 25) - PexUniverse

5/8" OD x 3/8" OD reducing compression union (coupling) is used to connect 5/8" OD pipe to 3/8" OD pipe in a straight line. Approved for potable water use.
This compression union (coupling) fitting connects 5/8 OD to 3/8 OD pipe (copper or plastic) in a straight line. 3/8 OD outlet also accepts standard flexible water connectors. Made from lead-free brass and approved for potable water applications.

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3/8 OD Compression Union Fittings, Lead-Free Brass (Bag of 25