Double masking is wearing one mask on top of another. It helps improve the fit and filtration of your mask. Learn when to double up.
Double-masking can increase your COVID-19 protection, but not all masks should be layered
Double-Masking Offers More Protection Against The Coronavirus, CDC Says : Coronavirus Updates : NPR
IT'S TIME FOR DOUBLE MASKING! - MPS Young Pharmacist Chapter
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Double Face Masks? N95? Protect Yourself Against New Covid-19 Variants With These Mask Upgrades - WSJ
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Double Masking: How, Why, and When You Should Double Up on Face Masks - Enviro Safety Products Blog
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