Our Roger Air Purifier provides clean air in rooms of up to 700 sq ft at home and at work!With his two sensors, this mobile room air purifier continuously measures the quality of the airand immediately detects pollutants such as unpleasant smells, volatile organic compounds(VOCs), fine dust, pollen, viruses, and bacteria. Roger removes 99.3% of coronaviruses(SARS CoV 2) from the air within an hour. If the air quality deteriorates, the air qualityindicator lets you know by changing colour and adjusts the cleaning performance automaticallyin his intelligent auto mode. The more polluted the air, the higher the level of performance willbe. The beautifully shaped air purifier now has a washable, textile pre filter as well as anintegrated Sanitized hygiene function. The Dual Filter the heart of the air purifier is acombination of a HEPA filter and an activated carbon filter. The highly efficient H12 HEPA filterremoves pollutants such as fine dust, allergens, pollen, viruses, and bacteria from the air whilethe activated carbon filter adsorbs gases present in the air. Besides the timer function and thenight mode, Roger’s impressive features also include WiFi : you can monitor the air quality inreal time and control all his functions via an app on your smartphone so you can evenguarantee healthy air at home while you are out and about!The CADR (Clean Air Delivery Rate) indicates the volume of purified air that the air purifier canproduce. Our value was determined by means of independent laboratory tests based on theAHAM standard. Higher CADR values mean that the air purifier can be recommended forlarger spaces. Roger is suitable for rooms of up to 710 square feet and changes the air 3 timesper hour. For heavily contaminated room air and for allergy sufferers, Roger is recommendedfor rooms of up to 420 square feet with an air change rate of 5 times per hour.Roger shows the quality of the room air. He continuously measures the quality of the air withhis sensors. The air quality indicator lets you know if air quality deteriorates by changing itscolor (blue = good, orange = medium, red = poor).The textile prefilter removes coarse dust particles and pollutants from the air. By doing this, itprotects the Dual Filter and prolongs its service life. The integrated Sanitized hygienefunction protects the preliminary filter against microbial growth. The textile pre filter can bewashed on a cold wash delicate cycle. The antimicrobial protection is guaranteed for at least 20washes.