BSCs provide safe, enclosed spaces for working with contaminants. These essential features of laboratories can typically be used for 15-25 years, but they do suffer wear and tear, and eventually need replacing.
A safe change housing is used when pathogens and or harmful substances may be present in the filter media and direct contact with these filters must be avoided.
Vivid Air has recently designed and built fume cupboards that can be used in school laboratories and science classrooms, allowing students to learn about hazardous chemicals while staying protected from possible harm caused by them.