A Biosafety Cabinet (BSC) is an enclosed laboratory workspace for safely handling potentially contaminated or other hazardous materials requiring a pre- defined level of bio safety. Several different classes of biosafety cabinets exist, defined by the varying degrees of bio containment required. Several types exist within Class II, which is dictated by how much of the air passing through the work zone is exhausted or recirculated. By combining unidirectional airflow from the top of the workspace with air inflow from the room, a Class II BSC maintains a dynamic air barrier that protects scientific personnel and their products from contamination. All cabinets utilize High Efficiency Particulate Air (HEPA) or Ultra Low Particulate Air (ULPA) filters to maintain an aseptic environment within the workspace.