Key features: Blueair’s marquis air purifier is big enough to take on pretty much any space, and it’s remarkably powerful; it’ll circulate all of the air in a 540 square-foot room in just over 12 minutes.
While this model doesn't have a true HEPA filter, the brand’s proprietary filter appears to capture airborne contaminants just as well.
And if you live in an area where are a regular issue, Blueair also offers optional activated carbon filters designed specifically to capture smoke.
Combined with extra-quiet operation, a washable pre-filter, and an Energy Star rating, it’s the total package.What reviewers are saying: “We plugged [it] in, and within a few hours you could notice the air was cleaner.
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