Sierra Marine 18-4456 Exhaust Protector Valve-3"
Sierra 18-4456 3" Exhaust Flapper. For use on 3" through hull exhaust outlets. Includes Stainless Steel clamp. Fits 3" O.D. exhaust tube. Heavy duty rubber flapper valve helps to prevent water from surging into the exhaust system.
| Brand | Sierra |
|---|---|
| Cross Reference / Specs | 34765A1 34765A2
|
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