Flex-Vent KM Flexible Duct

Insulated Duct

Strong polyester film laminated and encapsulating a heavy, corrosion resistant steel wire helix, forms the inner core and supports a thick blanket of fiberglass insulation. The outer vapor barrier is a new bi-directional reinforced metallized vapor barrier which will not unravel. The smooth air tight inner core of polyester is designed for low to medium pressure systems.

KM Specs

Diameter 4-20 inches ID
Pressure Rating (WG)
Positive 10 inches (4˝-16˝ ID)
6 inches (18˝-20˝ ID)
Negative 1 /2 inch (4˝-20˝ ID)
Velocity 5000 FPM
Temp. Range -20°F – 250°F cont.
R-Value R-4.2, R-6.0, R-8.0
GREENGUARD Certifications GREENGUARD Indoor Air Quality Certified
GREENGUARD Children and Schools Certified

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