Holmes HAP412BNS-U Mini Tower Air Purifier Purify Technology: HEPA Operates Room Size: 120 sq.ft. Speed Setting: 3 speeds Feature: 3-speed mini air purifier for rooms up to 120-square feet (10 by 12-feet) Hepa-type filter removes up to 99-percent of airborne particles as small as 2 microns Fortified with arm and hammer baking soda to eliminate odors; optional ionizer Quiet operation; space-saving tower design; AHAM certified and UL listed Electrical Outlet Plug Type: See Details