UP2U Window AC Duct Panel 3pc Set for Patio Windows, Adjust Height 43-117cm, for 13/15cm Hose, Rain Cover, Spot Cooler & Portable AC (2m Hose)

---------------------------------------------------------------------- Superior sealing performance: The newly designed duct panel fits snugly against the window frame, effectively blocking the exchange of indoor and outdoor air. It traps cool air, improving air conditioner efficiency and maximizing cooling performance while also contributing to energy savings. Rain cover included: Use your air conditioner even on rainy days! Our duct panels come standard with a rain cover. This prevents rainwater from flowing back into the unit through the exhaust hose, providing excellent protection for your portable air conditioner. This not only extends the product's lifespan but also improves safety. Dual Diameter Compatibility: This duct panel is compatible with 13cm and 15cm diameter air conditioner exhaust hoses, offering easy installation and excellent flexibility. It fits many portable air conditioner models. (Note: Please check the diameter of your exhaust hose before purchasing.) Ready-to-install duct panel set: Easy to install! Includes clear installation instructions, no specialized tools required, and panels can be quickly installed and removed for easy use. Thorough Inspection Procedures: We Guarantee the Highest Quality! Our professional inspection team rigorously checks each product to ensure you receive the highest quality. Furthermore, we offer reliable after-sales service with a response time of 24 hours. You can use our products with complete peace of mind. This set of three window duct panels fits perfectly onto patio windows, maximizing the performance of portable air conditioners. It accommodates a wide range of window frame heights from 43cm to 117cm and fits exhaust hoses with diameters of 13cm and 15cm. The newly designed high-seal structure minimizes gaps with the window frame, preventing cool air from escaping and blocking outside air from entering. This enhances the cooling efficiency of spot coolers and portable air conditioners, contributing to energy savings. Furthermore, the standard-equipped rain cover prevents rainwater backflow and protects the inside of the unit, ensuring peace of mind even in sudden weather changes. With easy-to-understand installation instructions, no specialized tools are required, making installation and removal simple even for women and beginners. High-quality specifications that have undergone rigorous inspections and prompt after-sales service ensure peace of mind after purchase. This duct panel set combines practicality and reliability to support the creation of a comfortable indoor environment during the summer.