Item Number: 411064
• R4.2 fiberglass insulation
• Air-tight inner core
• Low friction
• Tear and puncture metallized polyester jacket
FIDT are insulated flexible ducts for indoor use in residential and commercial HVAC systems with low-to-medium operating pressure. Ducts are manufactured with a tri-directional fiberglass scrim reinforced, metallized polyester outer jacket. R4.2 value. Available in 25 ft length. UL 181 certified.