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.

LTWFITTING 5/8-Inch OD Compression Union,Brass Compression Fitting

OD tube fitting both ends

Ez-Flo 65369LF 5/8 X 3/8 Compression Reducing Union

5/8 x 3/8 Lead Free Brass Reducing Compression Union - Noel's

Minimprover 4 Pack Brass 1/2 Inch Pex x 5/8 Inch OD Compression Straight Connecter Adapter Fitting, Pipe Fittings - Canada

BrassCraft 5/16-in x 1/4-in Compression Reducing Union Coupling

Brass Compression Reducing Union Fitting measured and called by the outside diameter on the compression ends. Typically used with Refrigeration Type

5/8 OD X 3/8 OD Brass Compression Reducing Unions

Compression Union. May be used with copper, brass and aluminum tubing (not recommended for steel tubing). Applications include: gas, air, oil, water,

5/8 x 3/8 Brass Compression Reducing Union

5/8OD X 3/8OD Brass Compression Reducing Unions — COPPERTUBINGSALES

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

WATERLINE PRODUCTS 1/2 x 3/8 Brass Straight Adapter

BrassCraft 5/8-in x 3/8-in Compression Reducing Union Coupling