A good question to ask at this point, would be How long can I use this mask? Small my N95 mask is too small breathing Masks. Face Mask N95 face mask macking machine and ( 3 ) safety risks. Then you're probably wondering how to get a free N95 mask that will help protect you and your family from respiratory infections and other health issues related to bad air quality. If you are not interested in purchasing just NIOSH-approved items, consider other possibilities. This is best accomplished by plACIng the items in a plastic bag and sealing it tightly until you're able to wash them properly.