RUHENS Air Care Solutions air purifiers are capable of completely cleaning the air of a 1000 square feet (100 m²) room in a few minutes. It is CADR-certified with a rating of 780 m3/hr. We use up to 8 different filtration levels to eliminate all suspended particles . You can now enjoy fresh and pure air in the workplace or at home with total peace of mind you are protected against harmful contaminants.