** This model is identical to the Mammoth Air 1000 7 Pure Home Series without the Filter Intelligence--this automatically detects you that filter is dirty and should be replaced ** The Mammoth Air 1000 delivers pure & refreshing air ideal for home and office. The Mammoth Air 1000 utalize a 7 stage filtration-Pre-filter, HEPA Filter, Carbon Filter, Photocatalyic Filter, Electronic Ionizers, Ultraviolet (UV), and Ozone Generators; each designed to tackle different pollutant. HEPA Filtration True HEPA filtration filters 99.97% of all airborne particles and keeps dust, bacteria, pollen, and mold out of your air. Carbon Filter The carbon filter is effective in filtering smoke, VOC's, airborne chemicals, and odors. Radial & Needle Point Ion Generator The ionizer attackes dust and particles floating in the air by participation. Germicidal UV Lamps 2 high-intensity UV Lamps destroy organic micro-particles, VOC, pathogens, and germs. Photocatalytic Oxidation filter Filter coated with titanium dioxide (TiO2) destroy odor-causing compounds through oxidation. 600 sq/ft to 2,500 sq/ft (Passive vs Active Purification) The Mammoth Air 1000 has optioal On/Off with Ozone. Without Ozone- 600 sq/ft. With Ozone- 2,500 sq/ft. Silent Operation & Timer Lowest setting allows for silent operation. Also includes timer. Mammoth 3 Year Warranty, Video Tutorials and Support Owners of Mammoth Air Purifiers are happy customers. Mammoth Air offers great customer support, warranty, as well as video tutorials for quick online help!