316 Stainless Steel Marine Boat Floor Drain – 90° Deck Scupper with Hose Fitting

Key Features
316 Marine-Grade Stainless Steel — Superior corrosion resistance vs. 304 SS; built for saltwater, UV, and coastal environments
90° Elbow Design — Efficiently channels deck water into bilge hose; low-profile flush mount sits level with deck surface
Two Style Options — One-piece (integrated grate, permanent) or two-piece (removable grate, easy to clean)
Two Hose Sizes — 28mm and 34mm barbed hose fittings; compatible with standard marine bilge hose
Slotted Oval Grate — Filters debris while allowing fast water drainage; prevents hose blockage
4-Screw Flush Mount — Secure deck installation on fiberglass, aluminum, and wood hulls
Straight Drain Option — Vertical floor drain style also available for different deck configurations
Available Models
90° One-Piece 28mm — SKU: SS316-DRAIN-90-1PC-28 | Integrated grate | Hose ID: 28mm
90° One-Piece 34mm — SKU: SS316-DRAIN-90-1PC-34 | Integrated grate | Hose ID: 34mm
90° Two-Piece 28mm — SKU: SS316-DRAIN-90-2PC-28 | Removable grate | Hose ID: 28mm
90° Two-Piece 34mm — SKU: SS316-DRAIN-90-2PC-34 | Removable grate | Hose ID: 34mm
Straight Floor Drain — SKU: SS316-DRAIN-STRAIGHT | Vertical drain style
Applications
Boat and yacht deck drainage
Cockpit and cabin floor drains
RV and camper floor drainage
Marine bilge water management

Specifications

• Material: 316 Marine-Grade Stainless Steel
• Angle: 90° elbow (straight version also available)
• Grate Diameter (A): 79mm
• Base Diameter (B): 79mm
• Elbow Length (C): 81mm
• Hose Fitting OD (D): 28mm or 34mm
• Mount: 4-screw flush deck mount
• Compatible with: Fiberglass, aluminum, wood decks
• Origin: China