Ventilation hoods operate by drawing air away from the work area and through a series of filters or ducts. Key components include: - Sash: The movable front panel that can be adjusted to control airflow and provide a barrier between the researcher and the reaction. - Blower: The motorized fan that creates negative pressure, pulling air into the hood. - Filters: Depending on the type of hood, filters may include HEPA filters, carbon filters, or other specialized media to capture specific contaminants. - Exhaust System: Ducted hoods expel air outside the building, while ductless hoods recirculate filtered air back into the lab.
