1" x 3/4" Schedule 40 Reducing Female Adapter 435-131
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Supply Giant CSDQN056 Male x CPVC Adapter Transition Pipe Fitting Durable Over Molded One-Piece Design 3/4 in. Brass: Amazon.com: Tools & Home Improvement
3/4" CPVC CTS PEX Transition Adapter Spigot x SS PEX Barb
3/4 inch Poly Alloy Male Adapter, PEX Barb x MIP | Buy PEX Adapters & More at Southern Pipe & Supply
Apollo EPXCPVC34 3/4 in. Brass PEX-A Barb x 3/4 in. CPVC Straight Adapter