More than 6 Air cleaning system in 1 -Pre-filter-ULPA/HEPA filter-Activated carbon filter -Grmicidal V Light-Low Temp.Catalyst Filter-Negative ion -Ozone Activated Oxygen(Optional)Features &Competitive Advantages -Auto Air quality sensor detection -Remove dust,allergens and pet dander-Break down deleterious fumes-Kill germs, viruses and bacteria-Destroy cigarette and cigar smoke-Eliminate odors and vapors -LCD panel control-Remote control available Key Specifications -Input voltage:100V-240V-Airflow: 70m3/h(L),150m3/h(M) 210 m3/h(H)-3 fan speed settings-Auto timer control -Air quality sensor-Negative ions:> 6.0 million ions/cc -Ozone≤0.04ppm -Dimension：360x180x500 mm-Rated power：60W -Noise level: 30-44dB -ULPA Purification Rate: >99.99% -ULPA working life: 24 months (8 hours everyday) -UV light life time:6000 H