How Many Times Can an N95 Mask be Reused? - GHMask
Healthcare workers should have multiple N95 masks so that they can use it when the other masks are left for drying. It needs at least 3-4 days for a used mask to completely dry and become safe from the COVID-19 virus. A quicker way of sterilizing N95 masks is to hang them in an oven. The mask should not touch the metal oven surface.