Where ducting is impractical, ductless hoods are also available for removal of non-hazardous contaminants (fumes or particles), using either HEPA or activated carbon filters.
Protection of personnel and lab environment from substances generated inside the enclosureįor fume containment, laboratory fume hoods use a ducted ventilation system that maintains negative pressure. Such hoods, often called laminar flow workstations or clean benches, use a flow of HEPA-filtered air to prevent influx of viable and non-viable particles into the enclosure and to sweep away any contaminants generated by the work process. Product protection from particulate contaminants in the lab environment, including microbes Laboratory hoods serve a number of critical purposes in the lab environment.
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