Both N95 and KN95 masks are not reusable. After regular use, the mask effectiveness declines. Anytime you come in close contact with infected with COVID-19, you should use new N95 or KN95 facemask.
Emerdepot, a medical suppliers based on Toronto, provide free sample to test before you buy a box. We also provide Fit Test.
We are leading wholesale medical supplies based in Toronto helping Canadians to get safety equipment. We have large catalogue of Health care, Medical Supplies, PPE, Disaster management.