The Alen FLEX and Levoit Core 600S are top-in-class air purifiers that can help remove pollutants, allergens, and other harmful particles from the air in your home. However, the Levoit focus on providing more advanced features along with high-quality filtration capabilities. The Alen, on the other hand, has a sleek design, premium build quality, and outstanding filtration technology. They both use three-stage filtration technology that guarantees fantastic performance and fewer pollutants in the air. The first stage of filtration on Levoit Core 600S is a nylon mesh pre-filter, the second stage is a True HEPA filter, and the last stage

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