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Amazon.com: (Pack of 10) EFIELD 1/2 Inch Straight Coupling Push-Fit Fitting to Connect Pex, Copper, CPVC : Industrial & Scientific
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Amazon.com: SharkBite 1/2 Inch Coupling, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U008LFA : Everything Else
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