Features: Complete Ready to Use set. Includes elastic strapped air conditioning exhaust hose cover to prevent heat leakage and a window vent set, enhancing cooling efficiency for portable air conditioning units while reducing energy consumption. Adjustable polyester window seal with reinforced sliding design ensures insulation for horizontal/vertical sliding window, outperforming zipper models with tear resistant construction. Ideal for apartment dwellers, owners, and homeowners seeking optimized climate control for portable air conditioners or compact dryer venting systems. Perfect for sealing window gaps during cooling in studios, basements, or temporary spaces where traditional window units are impractical. Simplified installation requires not need tool secure hose cover with straps, adhere window seal with tape, thread exhaust pipe through reinforced apertures, and fasten with hook and loop closures for weatherproof performances. Specifications: Component: Polyester Size: As Picture Shows Package Includes: 1x Air Conditioning Hose Outer Cover 1 Set Air Conditioning Sealing Cloth Baffle note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.