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The THERMAFLEX 056308000002 Flex-Vent is a UL 181 Class 1 flexible air duct designed for low to medium pressure cooling and heating HVAC systems. It can be used in either supply or return sections. The smooth liner, ample insulation, and tough outer vapor barrier provide good airflow and thermal insulation.
The Flexvent KM provides an economical means for handling misalignment between systems components and ducting around obstacles.
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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