Drain Plug Non-return Valve 22 mm Through-hull Black | 4Boats

Compact 22 mm through-hull drain plug with an integrated non-return valve for reliable backflow protection.

• Non-return valve - prevents backflow
• 22 mm bore - fits 22 mm (0.87 in) through-hull drain openings
• Black finish - unobtrusive, low-profile appearance
• Durable construction - built to marine standards for reliable performance
• Suitable for recreational and professional boats - broad compatibility
• Verify hull fittings for compatibility before installation