SafeFAST Elite class III Microbiological Safety Cabinets belong to the latest generation of laminar airflow systems manufactured by Faster, in which the choice of materials of construction of the highest quality guarantees conformity to the strictest safety standards. Class III cabinets are totally enclosed type safety cabinets often wrongly referred as glove box that are commonly used in laboratory to handle all type of pathogenic agents, classified from class I to class IV according to World Health Organization. SafeFAST Elite class III ensures the total operator protection as they are suitable for work with the most hazard group 4 pathogens. Furthermore, they are conceived to offer the maximum protection to laboratory personnel, the community, and the environment because all hazardous materials are contained in a totally enclosed, ventilated cabinet, when correctly installed in proper BL3 or BL4 laboratory. Both the transfer hatch and working chamber volumes operate in negative pressure to the surrounding environment with the exhausted air being vented through a system of double H 14 HEPA/ULPA filters. Working chamber is bathed by Class ISO 3 laminar flow avoiding product cross-contamination.