General description Enjoy cool air in summer with our air conditioner window seal, designed to block the return flow of warm air by securely locking the hose between the window frame and the window itself. This seal effectively reduces cold air leakage, keeping your room cool for an extended period. Additionally, it isolates insects, dust, and mosquitoes, providing a comfortable living environment. Technical specifications Length: 300 cm Material: Cloth Color: White Measurement allowed error: +/- 1-3 cm Installation No tools or drilling required. Apply the adhesive hook tape to the inside of your window frame and the window. Attach the window seal to the hook tape. Open the zip and place the air hose out of the window, then close the zip tightly around the hose. Allows you to open or close the window at any time without removing the seal. Usage Increases cooling performance of portable air conditioners, tumble dryers, and dehumidifiers. Helps save energy and reduce electricity bills.