Air Purifier · Brand Review

Levoit Core 300, 200S, 600S: Side-by-Side.

The best-selling Amazon brand of 2026, tested across three rooms. The 200S is better than the price suggests.

By FreshAirReview Editorial Team · Updated June 1, 2026 ·13 min read

Not medical or professional advice

This article provides general information about indoor air quality products and is not medical, environmental health, or HVAC engineering advice. If you have asthma, COPD, severe allergies, suspected mold exposure, suspected carbon monoxide exposure, or other health conditions, consult a qualified healthcare provider, a certified industrial hygienist (CIH), or a licensed HVAC contractor for guidance specific to your situation.

This review is in progress. We’re testing all three Levoit Core models side-by-side in three different rooms to determine which size class delivers the best value and whether the entry-level 200S is genuinely worth picking over the popular 300.

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