6 in. x 25 ft. insulated flexible duct
Flexible duct with glass fiber insulation and aluminum foil jacket for high-temperature resistance. Includes clamps and a thickened inner sleeve for easier installation. Customers note good value and effective ventilation, with mixed views on insulation quality
Highlights
- R-4.2 insulation
- glass wool insulation safety
- thermally resistant to -4C to 454C
Pros
- glass-fiber insulation with high temp resistance
- includes clamps
- easy-to-install claims from some customers
- good ventilation performance
Cons
- insulation quality range noted as mixed
- inner sleeve thickness could be better
- some difficulty pulling into place
Best For
Features
- 6 in. insulated flexible duct with R-4.2 and glass wool insulation
- thick aluminum foil exterior with high-strength spiral steel wire
- temperature range -4°C to 454°C and acid/alkali resistance
- sound absorption reduces noise with fluffy glass wool insulation
- flexible 6 in. duct that can bend without rigid elbows
