Dryer Vent Hose, 203.2 MM Insulated Flexible Duct 7.62 M Long with 2 Duct Clamps, Heavy Duty Three Layer Protection for HVAC Heating Cooling Ventilation and Exhaust, R-6.0 Flame Retardant Rating

Effective Insulation: Made of thick aluminum foil material and high-strength spiral steel wire, encapsulated in a layer of fiberglass insulation, effectively reducing heat loss and improving thermal efficiency.
High-quality insulation cotton: By using high-loft Owens Corning insulation cotton, it reduces heat conduction while absorbing noise generated during operation, improving user comfort.
3-layer Tough: Constructed of durable aluminum plating and PET, reinforced with a fiberglass grid, achieving an R-6.0 flame resistance rating, ensuring safety during operation and extending the product's lifespan.
Flexible and easy to use: Can be bent, compressed or cut as needed for installation without affecting the interior of the duct, reducing air resistance and improving installation adaptability.
Range of applications: Mainly used for temperature control, dehumidification and ventilation needs in various environments such as central air conditioning, fresh air systems and greenhouse tents.