FEATURES 1. The photocatalyst nickel foam filter works firstly as a pre-filter to catch large particles and pollutants. 2. Powerful UV-C germicidal lamp activates the TiO2 Photo-Catalytic-Oxidization (PCO) filter to destroy toxic chemicals, eliminate odors, and kill harmful airborne bacteria and viruses. 3. Electro Static Precipitation (ESP) captures airborne allergens like pollen, smoke, dust, pet dander or any particles as small as 0.01 micron. 4. Negative ionizer generates millions of negatives ions to the flow of clean air. 5. A pair of super quite fans with three-speed control prompts a large airflow without distractive noise. 6. No costly filter to replace. The photocatalyst nickel foam filter is washable and the steel collection cartridge can be removed simply and wiped clean with a damp cloth.7. Innovative design combines an air purifier with a soothing night light. 8. Energy efficient and inexpensive to operate. 9. Power supplied by an AC Adaptor with output DC 12V.Packing: Each in a Styrofoam shield then in a gift box 4pcs/box Size: 49x39x49cm N.W.: 8.4kg G.W.: 11.5kg