The new housing of the ventilation unit modul a is modular, and the panel is designed for industrial use with the size of 620 x 620 mm, and it can be easily assembled into a cube. The heart of modul a is a four-hole plate, which is a universal connecting element to hold the panels and the system together. The design is discreetly and focuses on the modular building structure and the related concept. The appearance reflects high quality and esthetics. Its rugged construction ensures long life and the smooth surface prevents deposits for hygienic use.