Our top recommendation is the Levoit Core 400S, a powerful and efficient model with true HEPA filtration ... It features a true HEPA filter that captures 99.97% of airborne particles as small ...

This model’s BioGS HEPA filter is especially noteworthy: It not only meets, but exceeds, U.S. DOE standards by trapping particles less than 0.1 microns in size at higher than 99% efficiency.

These clarifying devices draw in air pollutants, trap them with filters, and disseminate clean air back into your space. A HEPA filter is ... ratings into a model’s Overall Score.

A Model Y owner credited Tesla's advanced air ... This feature keeps cabin air clean through a HEPA filter system that blocks 99.97% of particles such as smoke and bacteria, according to Teslarati.