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Our favorite air purifier is $37 off for Prime Day
The Levoit Core 400S is on sale for close to a record-low price.
You'll be able to get a sense of the current air quality in your space at a glance with a color-changing ring that will light up in blue, green, orange or red. The 360-degree filtration system is said to be capable of capturing over 99.9 percent of pollutants as small as 0.3 microns, such as dust, pet dander and pollen. There is an auto mode that should suffice for maintaining air quality, but the Core 400S is compatible with Alexa and Google Assistant voice controls too.
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