Safety Pro Tip: N95 vs KN95 and various masks

There is a lot of confusion and a lot of masks available to prevent COVID.

This video explains what N95 and KN95 means, as well as goes through the differences and effectiveness of the various masking alternatives.

Cloth Masks (Includes Bandanas, Gaiters etc.): 2% efficiency
Pros: Good at protecting others from you if you are sick and coughing droplets.
Cons: 98% inefficient at protecting you from the others.

Surgical Mask: 5% efficiency
Pros: Good at protecting others from you if you are sick and coughing droplets.
Cons: 95% inefficient at protecting you from the others.

KN95 Mask: 25% efficiency
Pros: Good at protecting others from you if you are sick and coughing droplets.
Cons: The KN95 name is misleading and suggests 95% efficiency. This is not true. KN95 masks are 75% inefficient at protecting you from the others.

N95 Mask: 95% efficiency
Pros: Good at protecting others from you if you are sick and coughing droplets.
Cons: Is often mistaken as the same as the KN95 mask.

P100 Filtered Air Purifying Respirator (APR): 100% efficiency
Pros: The best protection you can get.
Cons: Cost more. Require training on how to put on and use. exhalation valves do not prevent you from infecting others you if you are sick and coughing droplets.

​This video was produced by Enviro Safetech as a public service.