【Keep Hot Air Out】The whole point of air conditioners is to cool the air. This window seal for portable air-conditioners kit keeps the cool air inside your room by effectively diffusing the hot air out of the window and and save electricity charges. Perfect for indoor at home or office, keep your room cool in the summer.

【Durable and Waterproof】It's made of durable and waterproof nylon material, simply zipped in place between the window and window frame and can regulates the air exchange to prevent rainwater and dust from entering room from outside. You can use it for a long time.

【Store Cold Air】Our window seal creates a barrier around your open window, this prevents the hot summer air from entering your room and makes your air-conditioner much more efficient as it was before.

【Easy Installation】Just apply the adhesive hook tape to the inside of your window frame and to the window itself. Attach the window seal to the hook tape. Then put your air conditioner hose through the coupler and tie tough, very simple. It is suitable for all portable air conditioners and tumble dryers.

【Environmentally Friendly】This window seal contributes to reduce energy consumption and to lower carbon dioxide emissions, protect our the planet and home.