How to Clean Wash & Disinfect Cloth, N95, or KN95 Face Masks.
Apr 06, 2020·How to wash, clean, and disinfect N95 face masks and KN95 face masks. Proper disinfection and decontamination of N95 or KN95 face masks is tricky business. You need to inactivate the virus without compromising the filtration and fit of the mask. KN95 and N95 face masks are usually replaced after each use when plenty of supplies are available.