Futuristic, stylish and inexpensive, here’s an air purifier to beat

The Levoit brand of air purifiers has come to dominate the U.S. market with a series of attractive, reasonably priced models, and the Levoit Core 400S air purifier ($219) continues that tradition. 

The unit is a sleek, minimalist cylinder that looks like a cleaning robot from the future.
…
Read more