might be good for construction work, but they don't stop the wearer from breathing out virus into the air.Reusable masks should be kept clean and dry. We're moving into cold and flu season, and noses get drippy. A rule of thumb: Anytime a mask is wet to the point that you can discern the wetness, it's time for a new one if it's disposable, or it's time to clean your reusable mask.
In general, you can use a mask that stays clean and dry for about a week before you need to wash or discard it.Washing your mask is like washing your clothes. You know when it is time.should be sufficient. If odors develop before then, it's a good idea to wash it sooner. Odor generally means bacterial buildup.
Sunlight is always a great source of heat to dry your mask. Also, sunlight has ultraviolet radiation, which has been shown toWearing your mask below your nose is, frankly, ridiculous.