The custom version consists of a back box, recessed into the wall, which contains the core part of the system. It can be mounted in horizontal or vertical position and is provided with an inlet / outlet kit (various kits are available according to installation mode) to connect the machine with the external air.
The system is provided with a white Aluminium cover.
The system is also available in a naked version (without backbox) to be installed in the roller shutter box.