Boat Scupper Drain with Flapper – Thru Hull Self-Bailing Valve, Anti-Backflow Design,316 Stainless Trim, Easy Install for Boats & Yachts.1-1/2"、1" or 1-1/2" Big Size. 1-1/2" BIG-1 Pack
Boat Scupper Drain with Flapper – Thru Hull Self-Bailing Valve, Anti-Backflow Design,316 Stainless Trim, Easy Install for Boats & Yachts.1-1/2"、1" or 1-1/2" Big Size.
Indulward Thru Hull Scupper Valve with Flapper 316 SS Trim, Rubber Flapper , Quick Install for Boats/Yachts
Product Features
- Anti-Backflow Scupper Valve:Built-in rubber flapper opens quickly to drain water and closes tightly to stop seawater from flowing back into the cockpit, keeping decks dry even in rough conditions.
- Secure & Leak-Free Fit:Precision-molded body with 316 stainless steel trim ensures a tight seal on hull thickness under 1.8, reducing vibration, leaks, and long-term wear.
- 5-Minute DIY Installation:No screws or special tools required. Simply drill a 2.2 hole, insert the scupper, and secure with a hose clamp perfect for quick replacements and DIY boat maintenance.
- Wide Application for Boats:Ideal for transoms, cockpits, and bilge drain outlets on fishing boats, pontoon boats, yachts, and small cruisers.
- Check Size Before Purchase:Designed for standard 1-1/2 marine hoses and hull thickness under 1.8. Please measure your hull and hose size before ordering to ensure proper fit.