skip to main content

Voluntary Use of N95's

Cal/OSHA Training Video on the Use of N95's

N-95 filtering face piece respirators are air-purifying respirators certified by NIOSH to have filter efficiency levels of 95% or greater. N-95 respirators filter out airborne contaminants including dusts, fumes, mists, and microbial agents such as tuberculosis bacteria and flu virus.

Ø Please be advised the use of an N95 may not be suitable for everyone, for example, persons with cardiac or pulmonary conditions.

Ø If you choose to voluntarily use N95's, please watch the following Cal/OSHA Training Video.

For any questions or for further training, contact safety.training@caltech.edu.