File:Consumer mask performance resize.png

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DescriptionConsumer mask performance resize.png	English: Cotton Face Mask Fitted Filtration Efficiency results of EPA Testing April 5, 2021
Date	5 April 2021
Source	https://www.epa.gov/sciencematters/epa-researchers-test-effectiveness-face-masks-disinfection-methods-against-covid-19
Author	United States Environmental Protection Agency

Public domain	This image (or other media) is a work of an Environmental Protection Agency employee, taken or made as part of that person's official duties. As works of the U.S. federal government, all EPA images are in the public domain.	EPA logo
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current	00:01, 24 February 2022		704 × 956 (431 KB)	Megabuffalo	Uploaded a work by United States Environmental Protection Agency from https://www.epa.gov/sciencematters/epa-researchers-test-effectiveness-face-masks-disinfection-methods-against-covid-19 with UploadWizard

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