Methodology

Particulate Filter Efficiency (PFE) is the standard by which masks are evaluated. We test to both the ASTM standard and the NIOSH using a PFE machi...

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MedCU Cloth Mask

MedCU Cloth Mask

All right, everyone. Welcome back to a place on the internet where we test every mask that you send us. This is a user submission, and I'm super ex...

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Medtecs CoverU Kids Masks

Medtecs CoverU Kids Masks

Hey, everyone. Welcome back to the place we're testing every single mask on Amazon. Every single one. You're probably thinking that's a lot of mask...

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