AllerAir 3000 EXEC Air Purifier. Light weight, portable air purifier. Cylindrical shape maximizes air flow. Effective up to 250 SQUARE feet. This air purifier features a MAC-B carbon filter absorbs harmful airborne chemical, gases and odors. This is perfect for home or offices use and comes with a washable pre-filter. Unit Weight: 18 lbs, Dimension: 11"L x 11"W x 14.5"H. Coverage Area: 1200 cu. ft. Power: 100CFM, Fan Type: 3-Speed Fan, Changes air every 30 minutes. Filters Function: 7 lbs MAC-B carbon filter for noxious gases and odors, True HEPA filter for particles, and Cleanable pre-filter for larger dust particles. Pollutant Filtration: Dust and Pollen, Odors, Gases, Molds, Large and small particles, Chemical and toxic fumes, Bacteria and Viral microorangisms, Pet dander. Includes: 1 - Washable pre-filter, 1 - Anti-microbial filter, 1 - HEPA filter, 1 - 7 lb MAC-B filter. Filter Life: Washable pre-filter: 3-4 months, HEPA filter: 5 years, Carbon filter: 1.5-2 years. Replacement filters available. Made in Canada