Features: A. Hepa filter: Traps particles like allergens, pollen, dust, smoke, pet dander and etc. B. Activated carbon filter (black): Adsorbs kinds of smoke and peculiar smell. C. Cold-catalyst filter -) bread down poisonous fumes, e. G. Formaldehyde, benzene, ammonia into co2 and h2o -) destroy cigarette, smoke and other odors. E. Negative oxygen ion: It is also called as air vitamin. It can prevent the disease of asthma and help to improve the air quality by combining with dust or reacting with odor molecules attached on the wall. Importantly, it also has an effect to improve the spirit of driver to keep healthy and safe. F. High efficiency and energy saving H. Adjustable fan speed Technical data: 1. input voltage: AC 220v-240v 2. frequency:50/60hz 3. consumption power: 4. noise level: 5. negative ions:2.8 million/cm3 (10cm far from the wind exit) 6. rate of absorbed co2: >50% ppm 7. airflow:85m3/HR 8. applicable area:25 - 45m2 9. remote control distance: 10. operating condition: Temperature: -10c - 55 c humidity: 11. power of motor: