The n95s can be cleaned but Don't use any kind of liquid on them put them in an oven and not on and the rack filled a small shelf out of wood and hang them by the straps but the oven at a 158 For a 160゚ for 30 minutes and it will kill the virus or anything that's on it. If you use liquid it gets rid of the I think it's like negative ions or something in there that helps catch the particle dust and the virus stuff that goes through so you don't want to Clean them that way.