300 cm, burlete para ventanas de aire acondicionado portátil, burlete universal para ventanas de aire acondicionado y secadora, ventana de aire acondicionado, bloquea el aire caliente.

Highly efficient cooling and energy saving: This sealing strip is made of high-quality environmentally friendly materials and has excellent heat insulation performance, effectively shortening air conditioner operating time. By sealing windows, the cooling capacity of local air conditioning can be improved, reducing energy consumption. Quick and easy installation: This air conditioner window sealing strip is designed for windows with a circumference of no more than 3 meters. Simply stick the included tape to the window frame, then attach the sealing strip to the window to complete the installation. This portable air conditioner window sealing strip effectively prevents warm air backflow, ensuring optimal cooling performance. High versatility: Suitable for all portable air conditioners and dryers. Whether it's a casement window, skylight, top-hung window, or a left- or right-opening tilt-and-turn window (excluding sliding or folding windows), this window sealing strip can handle it. Suitable for windows with a maximum circumference of 300 cm. Waterproof material: This window sealing strip is made of waterproof polyester and PU material, so it can be used even in rainy weather. Create a cool and comfortable space for you in the hot summer. Portable and reusable: Our portable air conditioner window sash kit is not a disposable product. After summer, simply wash it with water and reuse it the following year.