Humanscale's ZŌN Personal Air Purifier
CoolestGadgets.com compliments ZŌN's "earth-friendly" design and admires its "terrific aesthetic feel."
CoolestGadgets.com, November 22, 2011
Properly adjusted seat height helps distribute body weight. Position your seat height to allow a knee angle of at least 90 degrees with your feet fully supported by the floor or a footrest.
Ergo Gear Guide