Hamilton Beach TrueAir Plug-In Air Cleaner, Two-Pack Two-pack of plug-in fan-circulating air filters Eliminate tobacco odors, cooking odors, and pet and diaper smells Each unit includes an all-purpose carbon filter Filter lasts up to 120 days; filter-change reminder dial 6-1/2 by 8 by 3-1/2 inches; 120 volts; two-year warranty