Honeywell Enviracaire Round Air Purifier

True HEPA Filter helps remove 99.97% of all airborne particles from the air passing through it such as: pollen, cat dander, household dust, tobacco smoke and mold spores. The Activated carbon prefilter helps reduce odors and extends HEPA filter life. Features include: Patented 360 degree air intake and discharge, 3 speeds, Intelli-Check T feature electronically monitors filter usage. This technology is the number 1 Choice of Physicians. Features: Number 1 Choice of Physicians - Riter Research Inc. "Portable Room Air Cleaners Physicians Preference Study" 1998. 99.97% true HEPA filter. Intelli-Check T feature electronically monitors filter usage. Patented 360° air intake and discharge for effective air cleaning power. Top air discharge. Neutral White Color. 3 air cleaning power levels. 5 year limited warranty.