Biovax 3 has france air commits the airtightness of the system by placing a plenum and filters. BVX 3 filtering ceiling 100%, with carefully identical design, but without the airtight passageway for the scialytic arm . It has standard height with 450 mm and instilled air flow from 2 350 to 12 400 m3/h. It has 7 standard dimensions corresponding to the protection sizes needed by all surgical acts. It is possibility of decenter scialytic. Diffusion grille generating, on the whole surface to protect, a unidirectional flow as described in the Norm NFS 90 3. It is very easy and dependable filter tightening system. Cyclope biovax 3 equipped with an air recycling box