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Coronavirus: A definitive guide to buying and using face masks, by a ...

2 Mar 2020 ... Surgical face masks and N95 respirators, which filter viruses from the air with up to 95% ... A user's blood-oxygen saturation can drop and carbon dioxide increases ... These offer no protection against the coronavirus and confer only a false ... Surgical masks are composed of three to four layers — including...

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Items 1 - 20 of 48 ... Japanese - Reusable Triple Layer Face Mask - Pack of 4. Protect yourself in style. Proudly South African. No rating. R 166. R 190. i. eB 1,660.

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