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Replacement duckbill check valve inserts (MCCVDB0) for Stenner injection check valves on 45, 85, 100, and 170 Series pumps, plus SVP and BDF Series; 5 per pack. They restore one-way flow at the injection point to prevent backflow and siphoning. Made of Santoprene and supplied as genuine OEM parts; install inside the injection check valve body.
Ships within 48 hours · Estimated delivery Jun 20 - Jun 25
US$40
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