Lasko Pure Silver Slim Profile HEPA Filtration Air Purifier. Quiet, Elegant Space-Saving Design. Carbon Pre-Filter removes smoke, cooking and household odors, captures dust, pet hair, and other large particles. Lasts up to 4 months - extends HEPA filter life. Performance CADR Rating Smoke 110 HEPA-Type Filter removes 99% of airborne irritants (as small as 0.3 microns). Lasts up to 12 month. Simple to Own- Filter Reminder Light and Includes 1-year filter set. Electronic Controls- 3 Speeds, 7-hour timer, sleep mode, filter reminder. Easy-Carry Handle. Fully Assembled.