"The Proper Mask" certainly does not live up to its marketing ("best FFP2 mask ever tested").
Many accounts in the Covid bubble have been recommending it, so we are concerned that people might believe the vendor's exaggerated claims and use the mask in high-risk situations.
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Many accounts in the Covid bubble have been recommending it, so we are concerned that people might believe the vendor's exaggerated claims and use the mask in high-risk situations.