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The Centek exhaust non return valves are made from the same fiberglass and fire retardant resins used to produce Vernatube, the UL listed tubing line.
Centek check valves are designed to be installed in the wet exhaust hose line to help retard the ingress of water surge from the transom. These fittings are lightweight, strong, non-corroding and durable. These check valves are installed easily and are compatible with tubing and approved marine rubber exhaust hoses.
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