Eliminate pesky pet odors and dander with the triple filtration technology of the Hamilton Beach TrueAir Compact Pet Air Purifier. This high-performance system includes a permanent pre-filter that captures pet hair and large particles, 2 zeolite filters to target pet odors, and a permanent, HEPA-grade filter for capturing small particles as small as 3 microns. The permanent filters easily vacuum clean for minimal upkeep. Don't let its compact size and ultra-quiet operation fool you - the TrueAir Compact Pet Air Purifier can provide powerful air cleaning to large rooms up to 140 square feet, making it ideal for bedrooms, offices and dens. It's not only compact and quiet, but it also works vertically or horizontally for maximum versatility