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T H Marine Recessed Threaded Thru Hull Scupper
- The Flapper is molded of a flexible thermoplastic that is totally impervious to the effects of sun and chemicals.
- These Flappers will not curl up, rot or lose their sealing ability.
- This Thru-hull type scupper is barbed to fit 1-1/2 ID hose.
- The threaded portion accommodates hulls up to 3-1/2 Thick
- Mounting nut is included