5 x KN95 masks
KN95 face masks are particulate-filtering masks that have been performance-standard tested in China. KN95 masks are supposed to filter out around 95% of airborne particulates and may be useful if you participate in any number of activities, for example, like carpentry or intensive cleaning.
The Canadian government has warned that, unlike N95 respirators, many KN95 face masks do not meet the minimum filtration standards required for use in healthcare settings, however, these masks may be suitable for use in non-healthcare settings by those who aren’t sick and aren’t in contact with sick people.
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|Filter performance||≥ 95%||≥ 95%||≥ 95%||≥ 94%||≥ 94%||≥ 95%|
|Test agent||NaCl||NaCl and paraffin oil||NaCl||NaCl||NaCl and paraffin oil||NaCl|
|Flow rate||85 L/min||95 L/min||85 L/min||95 L/min||95 L/min||85 L/min|
|Total inward leakage (TIL)||N/A||≤ 8% leakage||≤ 8% leakage||≤ 8% leakage||≤ 8% leakage||Inward Leakage measured and included in User Instructions|
|Inhalation resistance||≤ 343 Pa||≤ 70 Pa (at 30L/min)≤ 240 Pa (at 95 L/min)≤ 500 Pa (clogging)||≤ 350 Pa||≤ 70 Pa (at 30L/min)≤ 240 Pa (at 95L/min)||≤ 70 Pa (at 30L/min)≤ 240 Pa (at 95L/min)||≤ 70 Pa (w/valve)≤ 50 Pa (no valve)|
|Flow rate||85L/min||Varied – seeabove||85L/min||Varied – seeabove||Varied – seeabove||40L/min|
|Exhalation resistance||≤ 245 Pa||≤ 300 Pa||≤ 250 Pa||≤ 120 Pa||≤ 300 Pa||≤ 70 Pa (w/valve) ≤ 50 Pa (no valve)|
|Exhalation valve leakage requirement||Leak rate ≤ 30mL/min||N/A||Depressurization to 0 Pa ≥ 20 sec||Leak rate ≤ 30mL/min||Visual inspection after 300L /min for 30 sec||Depressurization to 0 Pa ≥ 15sec|
|Force applied||-245 Pa||N/A||-1180 Pa||-250 Pa||N/A||-1,470 Pa|
|CO2 clearance requirement||N/A||≤ 1%||≤ 1%||≤ 1%||≤ 1%||≤ 1%|
It depends on where you live. Certain cities such as Ottawa, Toronto, Kingston in Ontario have implemented bylaws requiring people to wear face masks when in public. Outside these jurisdictions, businesses and other organizations may still exercise the discretion to require customers and employees to wear face masks. In some regions, wearing a mask is mandatory when riding public transit.
The consequences for failing to follow regional rules usually involve stiff fines ranging from hundreds to thousands of dollars.
It’s expected that more cities will consider adopting similar bylaws in the future to prevent the spread of COVID-19, as per the World Health Organization’s recommendations. Previously, the WHO had issued a statement advising governments to request that people wear fabric face masks in public.
Take a look at this helpful page on the Government of Canada website to learn more about masks that offer the best protection during COVID-19. You can also learn about when and how to use masks from on the World Health Organization’s site.
The World Health Organization (WHO) strongly advises wearing a face mask if you’ve contracted COVID-19 or are caring for someone who is ill. The WHO further advises governments to ask people to wear fabric face masks when out in public to avoid spreading illness.
While not all masks provide the same level of protectiveness, covering your mouth and nose can help prevent moisture from breathing and coughing from traveling too far in the air. According to KK Cheng, a public health expert at the University of Birmingham in the UK, wearing a mask is more for the people around you than for yourself. Says Cheng, “It’s not to protect yourself. It’s to protect people against the droplets coming out of your respiratory tract.”
You should avoid wearing a KN95 mask if you need N95-level protection. KN95 masks are supposed to be similar (though not identical) to N95 masks, however, the Government of Canada has warned that some companies are importing or distributing KN95 masks that don’t meet NIOSH quality standards for filtration. NIOSH is the US regulatory organization that tests and certifies N95 masks.
In the United States, the FDA originally left the KN95 off its approved list of protective wear but has since approved KN95 masks that meet certain criteria.
According to the Canadian government, Canadians using KN95 masks outside of a healthcare setting can continue to do so, but healthcare professionals are encouraged to double check the quality of any KN95 masks they’re using.
You should also be wary of scammers who try to profit from the COVID-19 pandemic by selling face masks that they falsely claim are medical grade. 3M, one of the world’s largest manufacturers of masks, offers a tool to check if a product is genuine.
KN95 masks aren’t designed to be used multiple times. When it comes to disposable masks, the World Health Organization recommends masks be replaced with a new one if it gets damp. If you need to use a mask on more than one occasion, many of the sites listed above carry multi-packs. 3M also manufactures masks with replaceable filters.
The World Health Organization (WHO) recommends washing your hands with alcohol-based sanitizer or soap and water before putting on a face mask. KN95 masks are made to securely cover the mouth and nose.
Avoid touching a mask once it’s on your face to avoid contamination, and discard it immediately after use. Masks should be removed from behind the head and ears and put into a (preferably closed) garbage bag right away, after which the WHO advises users to wash their hands.
Check out the following guides to find information, requirements and retailers that sell specific types of masks.
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