- Efficient Cooling: Keep your space comfortably cool during hot summer months. This sealing gasket creates a tight connection around your portable air conditioner or dryer, enhancing its cooling performance and reducing the time needed to lower the room temperature. Easily adjust the tension rope to prevent warm air from flowing back in. - Size Options: Available in lengths of 200 cm and 300 cm, this seal is compatible with a variety of portable air conditioners, dryers, exhaust dryers, and dehumidifiers. It is specifically designed for commonly used tilting or wing-style windows that open left or right, as well as hanging and roof windows. Note: Not suitable for sliding doors. - Simple Installation: Installation is straightforward. Attach the single-tube mobile air conditioner sealing cloth to your window, adjust the tension rope, and you’re set. The waterproof windscreen cloth and soft fabric ensure a secure fit without the need for any tools or complicated steps. - Durable Construction: Crafted from high-quality polyester, this seal is built to last. It withstands regular use while effectively blocking warm air from entering your space, thus maximizing the cooling efficiency of your portable air conditioner or tumble dryer. - Practical Applications: Ideal for use in homes, offices, or any space where cooling is needed. Perfect for those who frequently open windows during the summer, ensuring a consistent cool environment without the hassle of warm air intrusion.