That has some people reaching for N95-style respirators that promise to filter at least 95 per cent of airborne particles. WATCH | We tested 14 types of KN95 and KF94 masks. Here's what we found:How to tell if your respirator or N95-style mask is counterfeit Marketplace 6:27 CBC Marketplace tested KN95 and KF94 masks sold online and at big box stores. I think that you just need to be informed that these do not meet KN95, 95 per cent filtration standards." Marketplace reached out to the stores and retailers selling the KN95 and KF94 respirators that failed the filtration test.

Source: CBC News April 03, 2021 21:00 UTC