Trident Marine 481-4000-FT 4 Inch Blue Polyduct Blower Hose Sold Per Foot

The Trident Marine 481-4000-FT is a premium 4-inch diameter blue polyduct blower hose designed for marine heating, ventilation, and air conditioning (HVAC) systems. Sold by the foot for custom length installations.

Key Features:

• Heavy-duty polypropylene construction for maximum durability in marine environments
• Exceptionally flexible design allows for easy routing in tight engine rooms and cabin spaces
• Crush-proof construction maintains airflow even under compression
• 4-inch inner diameter for high-volume air movement
• Marine-grade blue color for easy identification
• Resistant to saltwater, humidity, and temperature extremes
• Ideal for blower ducting, engine ventilation, and HVAC applications

Trident Polyduct blower hose is engineered specifically for the demanding marine environment, offering superior flexibility and strength compared to standard vinyl or PVC ducting. The rugged polypropylene material resists kinking, tearing, and degradation from exposure to marine conditions, making it the professional choice for boat builders and marine technicians.