SafeFAST Class III Microbiological Safety Cabinets are totally enclosed type safety cabinets often wrongly referred as glove box. Class III cabinets provide total operator protection and are suitable for work with the most hazard group 4 pathogens. Class III cabinets 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.