The 50100 True HEPA air purifier removes at least 99.97% of common household particles as small as 0.3 microns from the air passing through it such as dust, pollen, mold spores, tobacco smoke and cat dander. The carbon pre-filter helps remove common household odors while helping to extend the life of the HEPA filter. The patented 360 degree air intake and discharge maximizes efficiency, circulating the air and allowing for placement in any area of your room. It also has a filter change calendar to remind you when to change the filters. Recommended for small size rooms.

• 3 speeds
• SurroundSeal™ Technology helps minimize air leaks and insure that the air passes through the filter,capturing particles
• AHAM Certified
• Recommended Room Size: 11'x14' ( 150 sq.ft.)
• AHAM CADR Rating: 100 (Smoke)
• HEPA Replacement Filter: HRF-11
• Replacement Pre-filter: 38002

*from the air that passes through the filter. Overall particle reduction is dependent on many factors, including the amount of air processed, the pollutant type and the pollutants' introduction rate into the environment.