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Small Air Purifier-physics dictates 4 times as loud as a large one?

Our indoor air is not always pleasant and clean both at home and work. Air purifiers work extremely well to clean the air removing both particles and chemicals very efficiently. It is also becoming clear that particles in the air damage human health, even within the range that we have considered normal. So it is …

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Air purifier expensive

Why Are Air Purifiers So Expensive?-7 Reasons and Special Abilities of Some

Air purifiers are essentially consist of a fan pushing air through a true HEPA filter in an enclosure. So it is quite right to ask why are air purifiers so expensive? Obviously, the fan, motor and the control circuitry is relatively cheap to manufacture. Although there is quite a lot of research and development that …

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