(Image credit: Apartment Therapy )
The slightly elliptical form with rounded corners creates a fluent edge line and thus reduces the appearance in the room. The gap to the floor makes the unit appear to float and leaves the floor plane visually interrupted. Finally, the necessary grill patterns are morphing into the closed sides of the casing to blur the otherwise sharp contrast between open and closed.

At least that's the description offered by Swedish design studio, Claesson Koivisto Rune, about their air purifier design for Blueair's HEPA air purifier. To our tech-tinged eyes, it looks like an external hard drive. Still, one of the best looking air purifier designs we've yet seen...

Via Moco Loco