De’Longhi Ac 150

QS System: the air quality is constantly recorded by the unit during operation. The colour of the LED indicates whether the indoor air is heavily polluted, slightly polluted or clean Gas and odour sensor: if the sensor detects smoke particles or gas, the fan speed is automatically increased. TiO2 filter + UV light: very effective against all air pollutants, the UV light has the property of cells of particles, which are separated from this special photo light by this special photo light.nHepa filter: eliminates tiny dust particles down to 0.3 microns in diameter Activated carbon filter: thanks to its special property, the activated carbon acts strongly against harmful gases, smoke and fine dust particles Ionizer: neutralizes the dust particles, pollen, car exhaust gases and smoke contained in indoor air Pre-filter: washable and reusable. Timer: the unit switches off after 1-2-4-8 hours Filter dirty display: it is possible to check the degree of dirtiness of the filter in order to be able to replace it in time.