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Amazon.com: RENPHO Air Purifiers for Bedroom, HEPA Filter Air Purifiers with 22dB Quiet 4 Speed Control for Allergies, Pets, Smoke, Dust, Pollen, Small Air Cleaner for Home Office Living Room Kitchen, White :
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Is an $800 purifier best to clean your home's air? Marketplace tested 5 top brands and their claims | CBC News
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