<ul data-eligibleForWebStory="false"><li>Prime Day 2025 has discounts on the Engadget-approved Levoit Core 400S air purifier, currently $183, $37 off.</li><li>Levoit's Core 400S can clean spaces up to 1,733 sq ft in an hour, capturing pollutants as small as 0.3 microns with its 360-degree filtration system.</li><li>The air purifier has a touch display for air quality readings, color-changing ring indicator, and operates quietly at up to 62dB.</li><li>Levoit's Core 400S is compatible with Alexa and Google Assistant, with air filter replacements priced at $50 each.</li></ul>

Prime Day deal: Our favorite smart air purifier is $37 off right now

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