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Apollo Retail 3/4 In. Barb x 3/4 In. Polybutylene Brass PEX Coupling, Type A - Parker's Building Supply
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SharkBite 3/4 Inch Polybutylene Transition Coupling, Pack of 6, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U4016LF - Faucet Parts And Attachments - Amazon.com
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Watts PEX LFP-505 Polybutylene Transition Coupling 1/2-Inch PEX x 1/2-Inch PB Low-Lead - Faucet Aerators And Adapters - Amazon.com
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SharkBite 1/2-in Push-to-Connect Polybutylene Transition Coupling in the Push to Connect Fittings department at Lowes.com
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SharkBite Max 1/2-in Push-to-Connect Polybutylene Transition Coupling in the Push to Connect Fittings department at Lowes.com
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