They can also be performed in a variety of colors.

In addition to the ventilation gratings built into the door, ventilation bushings are also used, which are usually installed at the bottom of the door. They can also be performed in a variety of colors. It is impossible to imagine that any of these two options may not be suitable. However, if, nevertheless, for any reason, the installation of such products seems impossible, it is necessary to think over the opportunity to leave the gap between the floor and the doorbill of at least 1 cm.