General description Enjoy cool air in summer with our air conditioner window seal. This product effectively blocks the return flow of warm air by locking the hose between the window frame and the window itself, reducing cold air leakage and keeping your room cool for an extended period. It also isolates insects, dust, and mosquitoes, providing a comfortable living environment. Technical specifications Colour: White Material: Cloth Size: 4 Meters (400 cm) Measurement allowed error: +/- 1-3 cm Installation No tools or drilling needed for installation. Apply the adhesive hook tape to the inside of your window frame and the window itself. 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. You can open or close the window at any time without removing the window seal. Usage Increases cooling performance of mobile air conditioning units. Reduces energy consumption and helps save on electricity bills.