Shields Hose 16-420-4000S Marine Vinylvent Bilge Hose 4" x 50' Flame Resistant

The Shields Marine Series 420 Vinylvent hose is an extra heavy-duty solution designed specifically for venting bilge gases and fumes in marine applications where durability and long service life are critical. This 4-inch diameter, 50-foot hose features a robust construction built to withstand the harsh marine environment.

Key Features:

• Heavy-gauge black PVC construction reinforced with vinyl-coated helical wire for maximum durability
• Flame-resistant material meets marine safety standards
• Excellent resistance to ozone, sunlight, and weathering for extended service life
• 4-inch inner diameter provides superior airflow for bilge ventilation systems
• 50-foot length reduces the need for multiple connections
• Flexible yet rigid enough to maintain shape and prevent kinking

Ideal for boat builders, marine mechanics, and boat owners requiring a reliable, long-lasting bilge ventilation hose that can handle the demanding conditions of the marine environment. The vinyl-coated wire reinforcement prevents collapse while maintaining flexibility for routing through tight engine compartments.