T-H Marine Recessed Threaded Thru-Hull Scuppers

• 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” and 2” ID hose.
• The threaded portion accommodates hulls up to 3-1/2” thick.
• Mounting nut is included.