Trident Marine 4" Blue Polyduct Blower Hose, FMVSS 302 Rated – Sold by the Foot

Ensure optimal airflow and enhance safety aboard your vessel with the Trident Marine 4" Blue Polyduct Blower Hose. Engineered as the most flexible, crush-proof, and rugged ducting solution, this hose is ideal for demanding marine heating, ventilation, and air conditioning (HVAC) applications. Constructed from heavy-duty polypropylene with a reinforced helix, it maintains full airflow even when routed through tight spaces, offering exceptional durability and reliability. Proudly meeting FMVSS 302 flame resistance standards, it provides an added layer of safety. Upgrade your marine ventilation system with Trident Marine's trusted performance today.

• Heavy-Duty Polypropylene Construction: Reinforced with a flexible polypropylene rod helix, this hose delivers exceptional durability and crush resistance, ensuring consistent airflow even under physical stress.
• Superior Flexibility & Compressibility: Designed to easily route through tight openings and overheads, the hose returns to its original shape without damage, simplifying complex installations.
• Wide Temperature Range: Rated for temperatures from -40°F to +225°F (-40°C to 107°C) when insulated, providing reliable performance across extreme marine conditions.
• FMVSS 302 Flame Resistance: Meets stringent Federal Motor Vehicle Safety Standard 302 requirements, limiting burn rates to enhance fire safety in enclosed compartments.
• Excellent Resistance: Offers robust protection against flex fatigue, tearing, and moisture, ensuring long-lasting integrity and minimal maintenance.
• Smooth Inner Wall: Features a smooth interior surface that improves airflow efficiency and reduces resistance, optimizing your ventilation system's performance.

Pair this hose with Trident Marine 4-inch marine blowers and appropriate clamps for a secure and efficient HVAC installation.