Can homemade DIY and surgical masks protect against the coronavirus

Can Masks Capture Coronavirus Particles?

With the outbreak of the coronavirus, many people are wondering if masks capture coronavirus particles. It’s a big change for all of us to suddenly start wearing masks everywhere. Ans it’s a lot to ask billions of people around the world to become mask experts overnight. There is a lot …

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Do N95 Face Masks Really Expire?

Can you wear expired face masks? How effective are expired face masks? A study tested 10 year-old 3M N95 masks compared to new masks and this is what they found.

N95 vs KF94 Mask Ratings

What’s the Difference Between N95 and KF94 Masks?

Many people wonder about the difference between N95 and KF94 masks. But actually, for the things most people care about, the difference is not small. KF94 is the “Korean filter” standard similar to the US N95 mask rating. Let’s dive into the differences: KF95 vs N95. Note, there is no …

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Can Masks Filter Out Asbestos?

We previously discussed how HEPA filters remove asbestos from the air extremely well. But asbestos causes cancer, so I wouldn’t rely on just a purifier while in the room. I’d want to wear a mask. How Big Are Asbestos Particles? Asbestos particles range from 0.7 to 90 microns. To put this …

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How to Make a DIY N95 Mask

N95 masks are often referred to as the “gold standard” for face masks and are relied on by healthcare workers for protection. This unfortunately results in occasional shortages and higher prices for N95 masks. That raises the question: Can you make a DIY N95 mask? As a pioneer in the …

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Smart Air low cost purifiers

Smart Air is a social enterprise and certified B-Corp that offers simple, no-nonsense air purifiers and provides free education to protect people from the harms of air pollution. We are proud to be the only certified B-Corp dedicated to fighting air pollution.

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