HEPA filters are common in air purifiers and vacuums. Here's more on what they do, and whether they're worth prioritizing in ...

HEPA stands for “high efficiency particulate air,” and a HEPA filter, according to the Environmental Protection Agency, “can theoretically remove at least 99.97 percent of dust, pollen ...

When I first heard Shark was releasing an air purifier that covers an impressive 1,400 square ft (enough for my entire home) with a long-lasting HEPA filter, I knew I needed to try it myself.