TWO UNITS of 3Q AP08 IONIC AIR PURIFIER PRO IONIZER OZONE CLEANER with UV 3Q AP08 Air Purifier is efficient to eliminate airborne contaminates such as dust, pollen, mold, smoke, pet dander, and bacteria, germs, allergens. The Charcoal filter works firstly as a pre-filter to coatch large particles, pollutants and removes odor. High electrostatic plate traps the dust, pollen, smoke etc.as small as 1 micron circulated in the air. With the pre-filter, you donot need to clean the steel collector plates frequently. Powerful UV-C germicidal lamp destroys microorganisms such as germs, viruses and bacteria, and helps create a healthier environment. A pair of super quite fans with three-speed control prompts a large airflow without distinctive noise. No costly filter to replace. The Charcoal filter is washable and the steel collection cartridge can be removed simply and wiped clean with a damp cloth. Innovative design combines an air purifier with a soothing night light.