$27.99
See if it's really the one
Search with this product to compare it, find similar styles, or turn up something better before deciding.
Sierra 18-4456. Exhaust Flapper 3",Includes stainless steel hose clamp. Weather resistant rubber flapper valve.
Have a question about this?
We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2026
$27.99