Four masks giving different grades of protection against Covid-19, fabric face covering, surgical mask, N95, FFP2 mask and FFP3 mask.

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Four masks giving different grades of protection against Covid-19, fabric face covering, surgical mask, N95, FFP2 mask and FFP3 mask, on a white background.

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Size: 5400px × 7305px
Photo credit: © Rosemary Calvert / Alamy / Afripics
License: Royalty Free
Model Released: No

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