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Save $30 on our favorite smart air purifier during the Amazon Big Spring Sale
Our top pick for an air purifier is $30 off with an on-page coupon for Amazon's spring sale.
In our tests, the unit performed better than some of its more expensive competitors and the filters are reasonably priced at $50 (other purifiers require replacements topping $100). The Core 400S Smart purifier can auto-detect when there's high particulate matter in the air, adjusting the fan speed accordingly. It uses a three-stage system comprised of a pre filter to catch pet hair and larger dust particles, then a activated carbon layer for trapping odors and VOCs.
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