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Hi Doctors. First and foremost, I would really like to thank you guys for fighting the virus as frontliner. We are really lucky as Singaporeans to have a top notch medical team of professionals here

in SG. You guys have to undergo the risk of transmission to treat patients, and you can be a parent, a child, a sibling, a cousin, a friend to people around you, and yet, you guys fought bravely. Thank you. For my question of today, I came across a silicon made mask which claims "to have 98% filtration efficiency, much more than N95 mask". Attached is a picture of the mask. When enquired, they claimed that the mask is 'CE' and "SCS" certified, and claimed that SCS is the same as FDA. A quick research seems to suggest that SCS does not endorse any PPE. Based on a professional medical perspective, can you provide some opinions on this silicon mask that seem to have those certifications? Also, medical journals are saying that face shields are eve more effective than masks, are these statements validated?

*Should any credits be warranted, this image is not obtained through myself, but rather, through the seller

(IMAGES MIGHT BE POTENTIALLY DISTURBING, CLICK TO REMOVE BLUR)

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Dr. Mst S S S
Space Doctor
Doctor
9 Streak Score Doctors are able to put a streak together by performing an activity everyday
@BusinessJing  thank you for your question.
Those who are on duty in Corona related patient they need respiratory filtration type mask and also need surgical type of mask with face sheild. But mandatory mask is respiratory mask.

N95 Mask:
(The N95 mask has a full name of NIOSH-certified N95 respirator, which means these respirators are tested of 95% filtration and certified by the U.S. National Institute of Occupational Safety & Health (NIOSH)

KN95 mask:
(The KN95 respirator is a particulate-filtering mask tested using the China criteria)

FFP2 mask and KF94 mask:
FFP2 made as Europian standard and KF94 South korean standard.

(The FFP2 is a filtering facepiece score of 94% filter capacity approved by Europe and the KF94 is tested by Korea criteria. Actually, both the N95, KN95, FFP2 and KF94 respirators have almost the same filtration efficiency, it means that KN95, FFP2, and KF94 are as effective as the N95 respirator mask. The main difference between these respirators is that they are tested by different nations.
 
Comparative criteria:
N100 (99.97%) = FFP3 (99.95%) > N95 (95%) = KN95 (95%) = FFP2 (94%) = KF94 (94%) > KN90 (90%).
Hope you can understand now easily.

The normal and the safest way to avoid and suffering from corona is to stay at home.We are frontliner fighter working at  battle field that u all are safe.Each and every life is important to the nation.
Plz keep maintain distance and wear mask in appropriate way.Stay safe.
Dr Mst Shabnam Shaila Sharmin.
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@BusinessJing
Thank you for your answer. I still do not understand Doctor, so is the mask that I have posted that has CE certification and SCS Guangzhou certification useful in any ways, according to the comparative criteria
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Dr. Mst S S S
Space Doctor
Doctor
9 Streak Score Doctors are able to put a streak together by performing an activity everyday
Actually there may be few fake mask in the market . Already you have mentioned that SCS doesn’t endorse any PPE. I should not recommend any warranty of this mask that you can be protected 100% . 

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