Something that occurred to me was a "hot closet" of some kind that was held at a temperature high enough to accelerate deactivation of the virus without damagin

Something that occurred to me was a "hot closet" of some kind that was held at a temperature high enough to accelerate deactivation of the virus without damaging the masks. Perhaps around 130 F would be the right temperature. Advantage would be that it would not require liquids of any kind and not be labor intensive.