THE DEFINITIVE GUIDE TO ECO-FRIENDLY MASKS

N95 companies often give Guidance for that suggested duration of use for his or her masks on the box or online. But on the whole, it is best to toss out your N95 if it gets damaged — crumpled up within your bag, for instance — or If you're able to no longer realize a good seal to your face. You should also switch your N95 if it gets soaked, soi