400cm Window Seal for Air Conditioner, Window Seal for Portable Air Conditioner, Window Pass-Through for Air Conditioning, Suitable for All Portable Air Conditioning Units, Easy to Install

Efficient Cooling, Energy Savings, and Environmental Protection: Made from high-quality, eco-friendly materials, this seal provides excellent thermal insulation, effectively reducing the operating time of your air conditioner. Sealing windows can increase the cooling capacity of an air conditioner and reduce energy consumption. Quick and Easy Installation: This air conditioner window seal is designed for windows with a maximum circumference of 4 meters. Simply attach the included adhesive tape to the window frame, then attach the portable air conditioner window seal to the window. This seal effectively prevents hot air from returning, ensuring optimal cooling performance. Universal Compatibility: Compatible with all portable air conditioners and dryers. Whether you use casement windows, skylights, sunshades, or left- or right-opening crank windows (excluding sliding and sash windows), this window seal will meet your needs. It fits windows with a maximum circumference of 400 cm. Waterproof: Made of waterproof polyester and polyurethane (PU), this window seal can be used even in the rain, creating a cool space on hot summer days. Portable and reusable: Our portable air conditioner window vent kit is not disposable. Once summer is over, simply clean it with water and reuse it the following year. 1 piece