It’s a set-it-and-forget-it way to lower your chances of getting COVID.
Another pick for small- to medium-size rooms is the ozone-free Levoit Core 300, which has a three-stage filtration system with a HEPA filter that captures 99.97% of 0.3-micron particles.If you’ve ever poked around the air purifier section of Amazon , you might have seen HEPA air purifiers that are about the size of a water bottle. They look curiously like a wireless Bluetooth speaker and often feature in Twitter threads on safe air travel.
“Small tabletop air cleaners can be helpful,” Dr. Bahnfleth says. “But what is your expectation as far as how much that’s going to reduce your risk?” Again, directionality and airflow matter here. “It could reduce it some if it’s pointed right at you,” Dr. Bahnfleth says.
You can further direct airflow by running ceiling fans and or standalone fans that plug into the wall. “You can create an airflow pattern in a shared space by your choices about opening windows and placing window fans,” Bahnfleth adds. He suggests opening two windows: one to bring air in, and one to point a fan out for exhaust.Ventilation can’t replace other precautions—especially masking.
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