Brand new never used air Purifier German made HEPA filter with carbon weave for superior odour and gas removal performance For rooms up to 355-sq. ft. Flat control panel illuminates when adjusting Roger’s settings and then disappears after adjustment The highly efficient HEPA filter removes pollutants such as fine dust, pollen, viruses and bacteria from the air while the activated carbon filter adsorbs gases present in the air With Roger Little, a good night’s sleep is guaranteed thanks to its timer and LED that can be switched off completely Colour changing visual air quality indicator: red, amber or blue to show the current air quality