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GF Piping Systems Polypropylene True Union Ball Valve, Actuatable, Two Piece, PTFE Seat, EPDM Seal, 1/2" Socket/Threaded: Industrial Ball Valves: Amazon.com: Industrial & Scientific
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GF Signet 161.546.343 Type 546 Ball Valve, PVC with EPDM Seals, 3/4": Amazon.com: Industrial & Scientific
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