Description of Biological safety cabinet

Biological safety cabinet is primitive cultures for operation, and diagnostic specimens of infectious bacteria strains lab materials, used to protect the operator, lab environment as well as the experimental material, to avoid exposure to these operations may be produced in the process of infective aerosol and spills.

Biological safety cabinets can be divided into first level, second level and third level three categories to meet different requirements.
First stage biological safety cabinet can protect workers and the environment without the protection of samples. Second stage biological safety cabinet is currently the most widely used cabinet type. Third stage biological safety cabinet is designed for level 4 laboratory bio safety level, is the highest level of security safety cabinets in the world.