Allergen Remover The Holmes HAP726-U True HEPA Air Purifier System is a personal air purifier for medium to large rooms up to about 256 square feet. It filters dust, dander, pollen, mold spores, smoke, fabric fibers, allergens, various odors, and other contaminants in your air. This Holmes HEPA Air Purifier filters and cleans the air in rooms up to 256 square feet, making this air cleaner unit ideal for offices, bedrooms, nurseries, kitchens, workshops, desktops, and other medium to large spaces. The Holmes HAP726-U personal air purification system utilizes two true HEPA filters to reduce up to 99.97% of microscopic particles as small as 0.3 microns along with two carbon prefilters for the reduction of common indoor odors. The Holmes HAP726U Air Purifier uses two Holmes HAPF600 HEPA filters for the thorough reduction of airborne particulates. Additionally, the Holmes HAP726-U purifier utilizes two Holmes HAPF60 carbon pre-filters for the reduction of common indoor and household odors. All of the filters are quick and easy to change once the dual filter life indicator lights show when they need to be replaced. The Holmes HAP726U air cleaner purifier features four fan speeds which allows you to personalize the speed, sound, and filtration level to your specific needs. This Holmes air purifier cleaner is quiet on its lowest setting which makes it ideal for nighttime use in bedrooms, while its slim design means it can be used in a variety of places around your home or workplace. Weighing only 20 pounds, this Holmes home air purifier unit is easy to move and can used anywhere in a room which allows it to better blend in to your environment. Holmes HEPA + Carbon Air Purifier (Holmes HAP726) Specifications: Weight: 20 Pounds Filter Life: About 6 Months Dimensions: Approx. 17.73" x 9.26" x 18.68" Max. Room Size: About 256 square feet (16' x 16') Clean Air Delivery Rate (CADR): Smoke 168, Dust 174, Pollen 140 Controls: Digital control panel, 4 fan speeds, timer for auto-run up to 16 hours, two filter change monitor lights