Advanced design features deliver ultra quiet HEPA air filtration in a unit ideally suited for bedrooms and family rooms. Includes sound reducing insulation and no-draft air flow technology to minimize drafts from exhaust. Six air changes per hour in an 17' x 22' room.
Features and Benefits:
#1 choice of Physicians.*
99.97% true HEPA filter.**
Recommended for a 17' x 22' room; 6 air changes per hour.
Clean air delivery rate (CADR) for tobacco smoke: 287.
* Riter Research Inc. "Portable Room Air Cleaners Physicians Preference Study" 1998.
** Overall particle reduction depends on many factors including the amount of air processed, the pollutant type and the pollutants' introduction rate into the environment.