The Mammoth Air Classic Air Purifier is a stylish and powerful air purifier that is able to clean any space with great results. Say goodbye to harmful contaminants in your house with 5 stage filtration. The standardized plug socket at the back is fused for protection from surges and ensures years of reliable use! Mammoth All-in-One Technology This Mammoth Air Purifier is the most popular entry level unit with most of the features of a high end air filtration system. This Mammoth Classic has 5 stages of filtration including HEPA, Carbon filter, Ionizer and Ozone generator. It is encased with a solid construction, genuine stained cherry wood exterior. 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. Ionizer & Generator The ionizer attackes dust and particles floating in the air by participation. 600 sq/ft to 2,500 sq/ft (Passive vs Active Purification) The Mammoth Classic Air Purifier has optioal On/Off with Ozone. Without Ozone- 600 sq/ft. With Ozone- 2,500 sq/ft. Silent Operation vs Max Power The Mammoth Classic Air Purifier has adjustable level of fan speed as well as ozone level. 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!