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Are there good HEPA purifiers for dust mites around $50?

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There are dedicated nerds out there like these guys, who tested several different commercial purifiers and found that the most expensive machines are not always giving the most clean air: After learning how air purifiers work, I started making my own for about US$30 (instructions here) and testing them. read more

What We Learned about Allergy Air Purifiers. For allergy relief you obviously want to remove the airborne particles from the air. Again, this is the dust, pollen, mold spores, etc. So far we have tested 15 popular air purifiers. To do this we use a particle counter to see how well the air cleaners produce clean air. read more

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