*KeyFeatures *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, achieving an R-6.0 flame resistance value, 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. *Variety of Applications: Primarily used for temperature control, dehumidification, and ventilation needs in various settings such as central air conditioning, fresh air systems, and greenhouse tents. ******************************************************************************************************* *Specifications Model: OW208 Diameter: 8.18 inch / 208 mm Tube Thickness (in extended state): 0.98 inches / 25 mm Length: 300 inches / 7620 mm Thermal Resistance Value: R-6.0 Net Weight (Including all Accessories): 11.79 lbs / 5.35 kg Product Dimensions (in extended state): 10.43 x 10.43 x 300 inch / 265 x 265 x 7620 mm ******************************************************************************************************* *Pakcage Content Flexible Duct x 1 Stainless Steel Clamps x 2