General description This YMYNY Portable Air Conditioner Window Kit is designed for universal compatibility with all portable air conditioners and air dryers, fitting both horizontal and vertical sliding windows. The kit measures 25 x 160 cm and features a new drawstring design for enhanced sealing around exhaust hoses ranging from 1 to 6 inches, ensuring a snug fit and excellent sealing performance. Technical specifications Dimensions: 25 x 160 cm Exhaust hose compatibility: 1 to 6 inches Installation Open the sliding window about 7.9 inches. Place the adhesive tape on the window frame. Align the portable AC window seal along the tape. Stick the exhaust hose out of the round hole. Tighten the cord lock closure and secure the hose with the included Velcro ties. No drilling required for installation. Usage Lock indoor fresh air while preventing outdoor heat from flowing back. Prevents rain and mosquitoes from entering. Utilizes special waterproof TU fabric for effective sunlight