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Dyson's latest purifiers combine intelligent sensing with an advanced filtration system. Three phases of purification sit within a fully sealed filtration and airflow system. So what goes inside, stays inside. A solid-state formaldehyde sensor and a unique catalytic filter detect and continuously destroy formaldehyde¹, an activated carbon filter removes gases and odors and a HEPA filter captures 99.97% of particles 0.3 microns in size. Then powerful Air Multiplier technology purifies, heats the whole room and cools you.² 

Review Summary

Rating 4.5 out of 5 stars with 389 reviews

Rating by feature

  • Rating 4.2 out of 5 stars

  • Rating 4.6 out of 5 stars

  • Rating 4.7 out of 5 stars

89%would recommend to a friend

Customers are saying

Customers are pleased with the heating and air purifying capabilities of the product. They appreciate the quiet operation, remote control, and fan. While some find the price to be a bit high, many believe it is worth the investment.

This summary was generated by AI based on customer reviews.

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The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.

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    Dyson - Purifier Hot + Cool Formaldehyde - HP09 - Smart Tower Air Purifier, Heater and Fan - White/Gold

    Model:497044-01
    SKU:6451337
    Your price for this item is $849.99
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