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jamiefrost · 29-04-2009, 08:54

The FFP3 masks make an air tight seal (all long as you don't have a beard) they then filter the air down to micron level. The valve on the from of most masks is to alleviate heat and condensation.

The main factor to consider is how long the protection lasts for, after hours of wearing they must become loaded with virus. I think that they would mainly be used for health workers or other people inder constant exposure. I don't know but I assume that a number of masks would be needed to last a day.

The surgical masks seen on TV are of no help for protection. But they do help reduce the amount of virus passed into the air if you are a carrier. This is why Japanese people where masks when suffering from a cold as they see it as a common courtesy.

29-04-2009, 08:54	#219
jamiefrost cf.geek Join Date: Feb 2004 Services: V+, XL TV and Phone XXL BB Posts: 812	Re: Pandemic Flu - This one could be for real...... The FFP3 masks make an air tight seal (all long as you don't have a beard) they then filter the air down to micron level. The valve on the from of most masks is to alleviate heat and condensation. The main factor to consider is how long the protection lasts for, after hours of wearing they must become loaded with virus. I think that they would mainly be used for health workers or other people inder constant exposure. I don't know but I assume that a number of masks would be needed to last a day. The surgical masks seen on TV are of no help for protection. But they do help reduce the amount of virus passed into the air if you are a carrier. This is why Japanese people where masks when suffering from a cold as they see it as a common courtesy.