3 Ways To Put On A Medical Mask
While an N95 respirator can block 95% of very small particles — very small being considered 0. 3 microns — there is still a 5% chance harmful particles can penetrate the respirator. N95 respirators are not designed for use by children or by people who have facial hair. Some N95 masks come with an exhalation valve that is designed to reduce condensation build-up inside the mask and allow the wearer to breathe easier....