- GEMLUX REPLACEMENT: Exact replacement thru-hull flapper for compatible Gemlux thru-hulls.
- TWO SIZE OPTIONS: Available for 1.625″ and 2″ thru-hull applications.
- DIRECT FIT: Designed to match existing Gemlux thru-hulls for straightforward replacement.
- MARINE MAINTENANCE: Useful for replacing worn, damaged, or missing thru-hull flappers.
- 2″ VERSION SIZE: The 2″ thru-hull version measures 2.125″ in diameter.
Sale!
Thru Hull Flappers
Original price was: $3.84.$2.75Current price is: $2.75.
Free shipping on orders over $50Availability: 68 in stock









