A ventilated cabinet for personnel, product, and environmental protection having an open front with inward airflow for personnel protection, downward HEPA filtered laminar airflow for product protection, and HEPA filtered exhausted air for environmental protection. When toxic chemicals or radio-nuclides are used as adjuncts to biological studies or pharmaceutical work, Class II cabinets designed and constructed for this purpose should be used.
All Class I biological safety cabinets are suitable for work with microbiological agents assigned to biosafety levels 1, 2 and 3.
Class 1 Biosafety Cabinet
Class II Biosafety Cabinet – Type A1
Class II Biosafety Cabinet – Type A2
Class II Biosafety Cabinet – Type B1
Class II Biosafety Cabinet – Type B2
Class III Biosafety Cabinet