NIBCO C4701HD34 Pipe Coupling, 3/4 in, CPVC, SCH 40 Schedule
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Amazon.com: SUNGATOR Fittings 1/2 Inch, Pushfit Plumbing Fittings 1/2 Inch, Push 1/2 Inch Coupling Fittings, No Lead Brass Push to Connect Fittings for Pex, Copper, CPVC, with 1 Disconnect Clip, Pack of