Good Sealing & Wide Application: Suitable for portable mobile air conditioners and dehumidifiers. The window seal has a length of 4M. Suitable for commonly-used tilting window types no matter whether it open to the left or open to the right, bottom hung windows or skylight. Easy To Install: Simply 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, open the zip on the window seal and place your air conditioner hose out of the window. Close the zip tightly around the hose. Dimensions & Contents: Length: 400cm -- Width: 39cm -- Zip Length: 260mm -- Max Window Width or Height: 180cm / Kit Contains: 1 x Roll of self-adhesive hook and loop tape (affixes to both .