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The THERMAFLEX 056308000001 Flex-Vent KM insulated duct is designed for low- to medium-pressure cooling and heating HVAC systems. Suitable for both supply and return sections, it resolves misalignment issues and allows system extensions. The unit features a smooth liner, thermal insulation, a vapor barrier, and a double air seal.
Features R-8 insulation, corrosion-resistant components, and is made with recycled content. Meets UL 181, CUL S110, and NFPA 90A and 90B standards.
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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