About Gruntbear
With three sizes (300cm,400cm,500cm) to fit windows of different sizes, this portable air conditioner sealing device is easy to install and helps the hot air produced by the air conditioner to go out of the window, keeping the cool air inside and keeping the room cool.
Gruntbear wholeheartedly designed and manufactured for you, lifes simple and practical air conditioning tools to keep the summer cool!