Honeywell HepaClean UV Antibacterial HEPA Tower 3-in-1 Air Purifier, HHT-145 Whisper-quiet tower air purifier for rooms up to 185 square feet Germ-fighting UV lights help reduce viruses, bacteria, fungi, and mold spores Permanent HEPA filter removes up to 99 percent of harmful indoor particles Odor-control pre-filter; 12 power levels; timer; optional ionizer and oscillation Measures 11-2/9 by 10 by 28-2/3 inches; 5-year limited warranty