Anti-pollution (92%) filter Most economic, high efficiency for everyday use. Contains electro-static charges and is highly effective to trap fine dusts and particles even below 0.3 micron. The filtration efficiency is at least 92%. Typically each pair of filter last for 1 week in polluted cities. (based on 1 hour use per day, 6 days per week). Filters packed in one ziplock plastic bag. This is the econormic general purpose filter, high value for money.
R**D
Great for reducing air pollutants
After having an irritating cough after cycle commuting in London the use of this mask has helped enormously. The 92%filter is not difficult to breathe through and after 3 days (75miles) it is a distinct grey colour warranting a change. Very happy
P**S
Proof against bad air. PM 2.5 of 300plus taken down to UK levels.
First rate. If the mask fits well around your face, then these certainly will do the job. Excellent protection in China.Latest edit: Oct 2016 I have seen the new masks recently and they look cheaper and less comfortable than the old ones. Also the price of filters has sky rocketed. Con! Profligate greed!
D**A
I used them when I cycled in London and was pleased with the result
Decent filters. I used them when I cycled in London and was pleased with the result.
K**M
I use the mask every day
The filters were delivered quickly and they seem to be doing their job.Reasonable price - other masks and their respective filters are so much more expensive.
M**E
Three Stars
OK
E**E
Ottimi filtri
Ottimi filtri, facilissimi d a cambiare. Filtrazione affidabile, vedere comunque recensioni sulla maschera per più informazioni sull uso della relativa maschera anti smog
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