Eliminate unwanted odors with this Levoit HEPA air purifier. The activated charcoal filter removes pungent odor for a fresh-smelling atmosphere, while the filter reminder wheel makes it easy to replace the filters. This Levoit HEPA air purifier has anti-skid pads that enhance stability on the table and is lightweight for portability. Up to 161 sq. ft. purification capacity To help keep the air clean and fresh. True HEPA filter Captures 99.97% of particles, including pollen, mold, pet dander and dust. Micron mesh prefilter and washable deodorizing filter help remove irritants and odors from the air. Know when to change a filter Recommend to replace filter every 6-8 months. A light indicator turns on when the filter needs to be replaced. Variable speed selector Allows you to easily choose 3 fan speeds for custom operation. Silent Operation Filters the air as quietly as 32dB at the lowest speed for a restful and soothing indoor environment, helping you sleep deeply.