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Class I Biosafety Cabinets

There are numerous of risk factors involved in the daily basis routine in any kind of laboratory. Therefore, the lab’s personnel need to be on constant watch and care of every activity that is done in the laboratory. Risk factors can be high voltages, high and low pressures and temperatures, corrosive and toxic chemicals, and biohazards including infective organisms and their toxins. That is why Biosafety Cabinets are fundamental devices inside the laboratory.

Class I provides protection for the user and surrounding environment, but no protection for the sample being manipulated. Class II provides protection for the user, environment and sample, and is divided into four types: A1, A2, B1 and B2. The main differences are their minimum inflow velocities and exhaust systems. Class III, also known as glove boxes, provides maximum protection, choice of cabinet therefor depends on level of protection needed for the laboratory worker and the sample of interest.

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