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
![GROCO 1/2" NPS NPT Combo Bronze Thru-Hull Fitting w/Nut [TH-500-W]](https://www.marinerailparts.com/wp-content/uploads/2026/10/groco-1-2-nps-npt-combo-bronze-thru-hull-fitting-w-nut-th-500-w.webp)
![Perko 1-1/8" Thru-Hull Fitting f/Hose Narrow Flange - Plastic [0301DP6A]](https://www.marinerailparts.com/wp-content/uploads/2026/10/perko-1-1-8-thru-hull-fitting-f-hose-narrow-flange-plastic-0301dp6a.webp)
![GROCO 1″ NPS NPT Combo Stainless Steel Thru-Hull Fitting w/Nut [TH-1000-WS]](https://www.marinerailparts.com/wp-content/uploads/2026/10/groco-1-nps-npt-combo-stainless-steel-thru-hull-fitting-w-nut-th-1000-ws.webp)
![GROCO 2" Bronze Extra Long Thru-Hull Fitting w/Nut[THXL-2000-W]](https://www.marinerailparts.com/wp-content/uploads/2026/10/groco-2-bronze-extra-long-thru-hull-fitting-w-nut-thxl-2000-w.webp)
![Perko 1-1/8" Thru-Hull Fitting f/ Hose Chrome Plated Bronze Made in the USA [035006ADPC]](https://www.marinerailparts.com/wp-content/uploads/2026/10/perko-1-1-8-thru-hull-fitting-f-hose-chrome-plated-bronze-made-in-usa-035006adpc.webp)
![GROCO Stainless Steel Hose Barb Thru-Hull Fitting - 1/2" [HTH-500-S]](https://www.marinerailparts.com/wp-content/uploads/2026/10/groco-stainless-steel-hose-barb-thru-hull-fitting-1-2-hth-500-s.webp)
![GROCO 1-1/2" Bronze Combo Scoop Thru-Hull w/Nut [STH-1500-W]](https://www.marinerailparts.com/wp-content/uploads/2026/10/groco-1-1-2-bronze-combo-scoop-thru-hull-w-nut-sth-1500-w.webp)
