Trident Marine 4″ Blue Polyduct Blower Hose – Sold by the Foot

4" Blue Polyduct Blower Hose – Sold by the Foot

Trident Polyduct is the most flexible, crush-proof, and rugged blower duct hose for heat, ventilation, and air conditioning* (HVAC). Heavy-duty polypropylene hose, reinforced with a flexible polypropylene rod helix.

Features:

• Sold by the foot
• Excellent flexibility & compressibility
• Excellent resistance to crushing, flex fatigue, tearing, and moisture 
• Stomp on it and it returns to shape without damage 
• Shove it through tight openings and overheads, and it delivers full airflow

Application:

• Rugged blower duct hose for heat, ventilation, and air conditioning

Specifications: 

• Temperature Range: -40°F to +225°F (-40°C to 107°C) (when insulated)
• Inner Diameter (inch): 4"

*Meets FMVSS 302 flame resistance