Trident Polyduct Duct Hose

• 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.
• Excellent resistance to crushing, flex fatigue, tearing, and moisture (when insulated).
• Shove it thru tight openings and overheads and it delivers full air flow.
• Meets FMVSS 302 flame resistance, temperature range: -40° F to +225° F.
• 4” ID.