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Specifi ions / Features : Item – As shown In Images Slight Variation can occur rarely Anti-Virus Face Mask Made of High Quality Cotton Materials Perfect for daily wear to protect you from dust, ash and so on. ... 10 Pieces Original High Quality Nafy Mask- In Stock KN95 Surgical Mask Face Mouth Masks FFP2 Non Woven Disposable Medical Anti ...【Get Price】

Comparison of Mask Standards, Ratings, and Filtration ...

Surgical mask standards have higher requirements for capturing virus-sized 0.1 micron particles, however they vary by region. Pollution masks respirators typically capture >90% of virus-sized particles. You can use the rating system in the table above to see the exact proportion each certifi ion requires. This includes ratings such as N95 ...N95 Masks Vs. Surgical Masks: Which Is Better at Preventing The Coronavirus【Get Price】

Coronavirus COVID-19 mask shortages mean GPs are …

Doctors are being advised to use P2/N95 masks left and general surgical masks right when dealing with some patients. ABC News: Patrick Stone Dr Nespolon said GPs were "feeling left out at the ...【Get Price】