Seachoice 2 Pack of 4 Inch Thru Hull Exhaust Cover Flappers for Boats
Item Description
- Made of black rubber with adjustable stainless steel clamps
- Flap valve prevents following seas from entering exhaust outlet when stopping, moving slowly or backing up
- For use with wet exhaust systems only
- Fits 4" exhaust
- Priced per pack of 2
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