Yinong Universal AirLock Window Seal for Mobile Air-Conditioning and Exhaust driers Hot Air Stop (Window 560cm)

What do you do with the flexible venting hose if you don't want to drill a hole through the house wall or leave a window open because of gnats or mosquitoes or the permanent threat of a sopping wet room from a sudden shower?The ultimate solution to this problem is AirLock - an ingenious innovation that is simply brought in place between the window and the window frame and which then regulates t...