Lewmar 39970020 Medium Profile Size 70 Boat Hatch with Replacement Flange Base

The Lewmar 39970020 is a medium profile boat hatch designed for reliable deck access and ventilation on marine vessels. This Size 70 hatch features a replacement flange base configuration with a durable gray frame and silver accents, combining functionality with clean aesthetics.

Key Features:

• Corrosion-resistant anodized aluminum frame construction for long-lasting marine durability
• Medium profile design minimizes deck protrusion while maintaining headroom
• Friction lever hinges allow hatch to stay open at any position up to 95 degrees
• Lockable handles provide security when closed
• Size 70 dimensions accommodate standard deck openings
• Replacement flange base design for retrofit installations
• UV-resistant acrylic lens provides natural light transmission
• Integrated gasket seal ensures watertight performance

Lewmar's medium profile hatches are engineered for both power and sail vessels, offering dependable access to cabins, engine rooms, and storage compartments. The variable friction hinge system provides excellent control in varying sea conditions, while the anodized aluminum frame resists saltwater corrosion for years of reliable service.