![Air quality: Dyson's POLAR test challenges CADR; here is everything you need to know | Technology News,The Indian Express Air quality: Dyson's POLAR test challenges CADR; here is everything you need to know | Technology News,The Indian Express](https://images.indianexpress.com/2018/10/dyson-polar.jpg)
Air quality: Dyson's POLAR test challenges CADR; here is everything you need to know | Technology News,The Indian Express
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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
![Ishan Agarwal ar Twitter: "CADR test is done in a 12 sq. metre room with a ceiling fan for spread of clean air & the Air Purifier is kept in the middle. Ishan Agarwal ar Twitter: "CADR test is done in a 12 sq. metre room with a ceiling fan for spread of clean air & the Air Purifier is kept in the middle.](https://pbs.twimg.com/media/Eaeab0PUYAIIWyf.jpg:large)
Ishan Agarwal ar Twitter: "CADR test is done in a 12 sq. metre room with a ceiling fan for spread of clean air & the Air Purifier is kept in the middle.
![Amazon.com: Mila Air Purifier with Basic Breather Filter (H12 HEPA), High-Performance Filter for Smoke, Allergens, Dust, Pollution & Pet Dander, 447 CADR, 1,000 sq ft Coverage, 12”x12”x15”, White : Home & Kitchen Amazon.com: Mila Air Purifier with Basic Breather Filter (H12 HEPA), High-Performance Filter for Smoke, Allergens, Dust, Pollution & Pet Dander, 447 CADR, 1,000 sq ft Coverage, 12”x12”x15”, White : Home & Kitchen](https://m.media-amazon.com/images/I/61w-x8K-OoL._AC_SS450_.jpg)