400cm Window Seal Kit for Portable Air Conditioners – Compatible with AC Units and Tumble Dryers – Easy Installation

【Efficient Exhaust & Backflow Prevention】This AC window kit helps vent hot air while preventing it from flowing back inside. It improves cooling efficiency, lowers energy consumption, saves on electricity bills, reduces CO2 emissions, and protects the environment. Additionally, the seal keeps insects like flies and spiders out of the room. 【Wide Compatibility】Designed for portable air conditioners, tumble dryers, and vented dryers, this kit allows these appliances to effectively vent hot air even with the window open. It fits tilt-and-turn and casement windows but is not compatible with sliding windows. Available in three sizes: 300cm, 400cm, and 500cm. Please measure your window dimensions before purchasing. 【Easy Installation】The package includes the window seal, instructions, adhesive tape, and cable ties. No drilling or special tools are required. Follow the detailed instructions for quick installation: open the window, apply the adhesive tape to the window frame, attach the seal, and use the zipper to secure the exhaust hose in place. Use cable ties to secure the hose if necessary. 【Durable, Waterproof & Windproof】Made from durable 210T polyester with a PU coating, the seal offers waterproof and windproof protection. Beyond regulating airflow, it shields the interior from dust, dirt, strong winds, sudden rain, and insects. Note: There may be a small gap between the zipper and the hose, but this does not affect functionality. 【Portable & Reusable】This portable AC window kit is not a single-use product. Simply wash it with water after the summer season and reuse it the following year. It features dual zippers that allow you to adjust the opening size to fit the hose diameter, making it suitable for both single-hose and dual-hose portable air conditioners.