VEVOR Dryer Vent Hose, 127MM Insulated Flexible Duct 7.62M Long with 2 Clamps, Heavy Duty Three Layer Protection for HVAC Heating Cooling Ventilation and Exhaust, R 6.0 Flame Resistance Value

Upgrade Your Ventilation with VEVOR Premium Ducting Combining excellent hardness and flexibility, it is less prone to breakage during use, increasing product stability and extending its lifespan. Efficient Insulation High-Quality Insulation Cotton 3-Layer Tough Flexible and Easy to Use Upgrade Your Ventilation with VEVOR Premium Ducting Combining excellent hardness and flexibility, it is less prone to breakage during use, increasing product stability and extending its lifespan. Key Features Efficient Insulation: Made with thick aluminum foil material and high-strength spiral steel wire, encased in a layer of fiberglass insulation, effectively reducing heat loss and improving thermal efficiency. High-Quality Insulation Cotton: Utilizing high-loft Owens Corning insulation cotton, it reduces heat conduction while absorbing noise generated during operation, enhancing user comfort. 3-Layer Tough: Constructed from durable aluminum plating and PET, reinforced with a fiberglass grid,