The Purair BIO Class II, Type A2 Biological Safety Cabinets (BSCs) provide a primary containment work area for life science research, cell culture processing, and other applications where protection of the user, the work product, and the environment, and mitigation of cross-contamination on the work surface are needed. They are certified for safety and performance in accordance with NSF/ANSI Standard 49 and EN12469 which certifies Class II, Type A2 biological safety cabinets are suitable for working with biosafety agents at levels 1, 2, 3, and 4.