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The THERMAFLEX 056309000001 Flex-Vent KM features a strong polyester film laminated and encapsulating a heavy, corrosion-resistant steel wire helix. It forms the inner core and supports a thick blanket of fiberglass insulation. The outer vapor barrier is a bi-directional, reinforced metallized vapor barrier that will not unravel.
Insulated flex vent with polyester film, steel wire helix, and metallized vapor barrier.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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