【Ingenious Innovative】Window seal for portable air conditioner that is simply zipped in place between the window and the window frame and can regulates the air exchange efficiently and locks out pests and keeps out the rain.【Wide Application】Window seal for portable ac units suitable for portable mobile air conditioners, dryers, exhaust dryers, and dehumidifiers. The airlock window seal is only suitable for commonly-used tilting windows or wings. It is suitable for a turn-tilt skylight product, casement window, and a balcony door that opens outwards. But unable to use it on a Left and right sliding window or door.【Energy Saving In Summer】Window seal for portable air conditioning is made of durable nylon material for easy sashing slide. Push throu.