Lasko Pure Gold Slim Profile HEPA Filtration Air Purifier. Quiet, Elegant Space-Saving Design. 2-Stage Pre-Filter System Carbon Filter removes smoke, cookin and household odors, captures dust, pet hair, and other large particles, lasts up to 4 months, extends HEPA filter life. VOC Filter removes airborne volatile organic compounds, captures odors and fumes from cleaners, aerosols, carpet, and paint, lasts up to 12 months. Performance CADR Rating Smoke 130 HEPA-Type Filter removes 99% of Airborne Irritants (as small as 0.3 microns), lasts up to 12 months. Simple to Own- Filter Reminder Light, includes 1-year Filter set.