The most important features of the Isikon dropper frame profile are; It evacuates the possible droplets that will pass through the glass junction in heavy rains with the water flow slope thanks to the dropper on the case surface. At the same time, it discharges the evaporation caused by the hot cold air inside with the water flow slope, thanks to the dropper. The frame profile has been specially designed by the R&D team of Alkon in order for the system to work in the best and most comfortable way and to provide ease of use. Thanks to the double-bearing wheel rails, you can easily move the windows with one finger.