The biological safety cabinet is used to protect the operator, the laboratory environment and the experimental materials when handling infectious experimental materials such as primary cultures, bacterial strains, and diagnostic specimens, so as to avoid exposure to the above-mentioned operation process Designed for possible infectious aerosols and splashes. Biological safety cabinets can be divided into three categories: level 1, level 2, and level 3 to meet different biological research and epidemic prevention requirements. Biological safety cabinets are widely used in medical and health, disease prevention and control, food hygiene, biopharmaceuticals, environmental monitoring, and various biological laboratories. It is an important foundation for ensuring biosafety and environmental safety, and belongs to the category of "people's livelihood" measurement.
