38mm Boat Floor Deck Drain - 316 Stainless Steel Scupper (Mirror Polish)
Deck_Drainage • Top Pick
Check PriceYour deck is a swamp. Standing water rots fiberglass. Clogged scuppers cause slips. A wet deck is a dangerous deck. Salt's a killer. It never sleeps.
Cheap plastic fittings are junk. UV rays turn 'em brittle in a season. Saltwater pits low-grade 304 steel. One crack and you're taking on water. Don't trust your vessel to big-box store garbage. It's a liability, not a part.
Install the 38mm Boat Floor Deck Drain - 316 Stainless Steel Scupper (Mirror Polish). This is the engineered answer. Forged from 316 Marine Grade. It laughs at salt. The mirror polish isn't for show; it resists grime. High-flow design clears the deck fast. No pooling. No rot. No plastic trash.
| Material | 38mm 316 SS Scupper | Generic Alternatives |
|---|---|---|
| Core Alloy | 316 Marine Stainless Steel | Plastic or 304 Steel |
| UV Resistance | Eternal | Poor (Cracks/Yellows) |
| Corrosion Resistance | High-Salinity Rated | Low (Pits/Rusts) |
| Price | Investment Grade | Cheap/Disposable |
Check your gear. If you need more flow, look at the 316 Stainless Steel Boat Deck Drain - High-Flow Marine Scupper (50mm). For the cabin or cockpit, the 316 Stainless Steel Self-Bailing Boat Floor Drain - Anti-Odor Scupper (1.5") is the way to go. Safety first, always. Consult USCG Boating Safety for hull integrity standards.
- Scupper
- An opening in the ship's side at deck level for draining water overboard.
- 316 Stainless Steel
- Marine-grade alloy with molybdenum to prevent saltwater pitting and crevice corrosion.
Secure the ship. Use a 316 Stainless Steel Danforth Boat Anchor - Mirror Polished (8.5lb-13lb) when you finally drop hook. Do it right, or don't leave the dock.
FAQ
- Is this drain truly corrosion-resistant in saltwater environments?
- Yes, forged from high-density 316 Stainless Steel, this scupper is specifically engineered for high-salinity marine environments, resisting pitting and crevice corrosion better than standard 304 steel.
- Will this fit my existing 1.5-inch deck opening?
- This unit features a standard 38mm (approximately 1.5") outer diameter pipe, designed for a flush, seamless fit in standard marine deck openings without the need for custom fabrication.
- How does the filtration system prevent clogs?
- The precision-milled filtration matrix uses a directional grid system that maximizes water flow velocity while trapping larger debris, ensuring your bilge or scupper system remains clear during heavy washdowns.



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