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Article
Double masking and five other ways to get the most out of your face mask
https://connect.uclahealth.org/2021/03/31/double-masking-and-five-other-ways-to-get-the-most-out-of-your-face-mask/
one quality mask with at least two layers ... option for double masking is a two-layer ... masks offer a filter pocket between layers ... a face mask and offer a breathable layer
Last Updated: April 28, 2021