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Which? air purifier reviews will help you find the best air purifier for your home, so that you don't spend a fortune on one that won't do much to tackle pollution. Air purifiers have been tested for pollen, dust and smoke particle removal, as well as noise and energy use. We've compared models from popular air purifier brands, including Dyson air purifiers, Philips, Vax, Blueair, Homedics, Bionaire and Delonghi. You can also use our expert advice to improve the air quality in your home.

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