Tag: air purifier
HEPA Filter Explained: What It Is and Why Your Air Purifier Needs One
You just unboxed a new air purifier. The manual says it has a “HEPA-type” filter. You paid $120 for this thing. Does it actually work, or did you just buy a fancy fan that blows dust around? Here’s the short answer: a true HEPA filter removes 99.97% of airborne particles as small as 0.3 microns. …
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