Dr Peter O'Kane on Twitter: "Just discovered today that I have to be FIT tested again as 🇬🇧 produced FFP3 mask almost run out & we have mainly 🇺🇸 manufactured which is
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3M Aura 06923+ Comfort FFP2 Dust Mask for sale online | eBay
5x 3M™ Aura™ Atemschutzmaske 1873V FFP3 NR | Kaufland.de