As the Corona-Virus pandemic reached our shores, I began searching the Internet for a high quality 'reusable Face-Mask'. Being re-usable was extremely important to me, in an effort to reduce household waste. I read several articles referencing O2 Canada respirator with disposable filters. I was specifically interested in 'it's small size'. After an extended shipment delay, the product arrived. As of this email I has utilized the mask on several occasions without issue. Additionally, my plan is to utilized the mask in dusty environments during the installation of data network cable, e.g. - 'drop ceilings'