They will not have a front sash so the air stream is going toward the operator. They are usually preferred for plant tissue culture, electronics inspection and assembly, and pharmacy drug preparation. These type of hoods are typically wider especially when the filter is in the back of work zone, so they require more clearance and more floor space compared to a vertical flow hood. The types are differentiated according to the air flow direction inside the hood. ![]() These are two different types of laminar flow hoods. If you need the protection of personnel and samples, you need a biological safety cabinet. They do not provide protection for your personnel. It is important to note that laminar flow hoods are only recommended for work with non-hazardous materials. ![]() ![]() The use of the laminar flow hoods has spread to a wide range of industries from R&D, Medical and Research laboratories to manufacturing, electronic part assembly, data recovery, aerospace, food processing, bio-science, and pharmaceutical production. Laminar flow workbenches (LAFWs) are used in applications where clean air is necessary to prevent airborne contamination of parts, samples or materials. Using a laminar airflow workstation can be an economical solution for companies requiring a sterile and contamination-free or ISO class 5 working environment. Laminar air flow hoods are designed to supplement cleanrooms which can be costly to build.
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