It can prevent the flying insects and spiders from entering the room through the window or window seam, and also prevents the entry of rainwater.
300CM Window Seal for Mobile Air-Conditioning and Tumble Dryer, Universal AC...
300CM Window Seal for Portable Air Conditioning Universal Sealing Zip Hose Vent
300CM Window Seal for Mobile Air Conditioner & Tumble Dryer Easy to Install
MATANA 300cm Window Seal for Portable AC, Mobile Air Conditioner
