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Customer Reviews: Dyson HP04 Pure Hot + Cool 800 Sq. Ft. Smart Tower Air Purifier, Heater and Fan White/Silver 244314-01 - Best Buy
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Dyson Pure Cool, TP04 10-Speed (Covers: 800-sq ft) Smart White HEPA Air Purifier ENERGY STAR in the Air Purifiers department at Lowes.com
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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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