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Home » Longevity

Tag: Longevity

Why Air Purifier Pre-Filters May Be More Harm than Good

2020-12-012020-12-01 Paddy Robertson 9 Comments

Most purifiers on the market come with a pre-filter. That would make one think that pre-filters must be a good thing, right?   However, most purifier companies also love to selling people 6-stage filtration, or no – 7-stage filtration! But the science behind purifiers is surprisingly simple. Two types of filters will protect you against […]

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How Long Does a HEPA Filter Last?

2020-11-042020-11-04 Thomas Talhelm 3 Comments

“How long does a HEPA Filter last?”. “How often should I replace my HEPA Filter”. These are two common questions I got asked when I started teaching people how to build air purifiers. Rather than just give people a nice-sounding answer, I wanted to see what the data says, so Smart Air co-founder Gus has […]

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HEPA Lifespan Test Filter Air Purifier

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