German testing foundation “Stiftung Warentest” recently tested three of its air purifier test winners...
Ask schools about an annoying six-letter topic and you won’t just hear “Corona.” “Ventilation”...
The AiroDoctor: Providing a safe home for allergy sufferers The days are getting longer, the...
The unique four stage filter system of the AiroDoctor air purifier covers an unusually broad...
Nursing homes and health care facilities are very important to society in many countries and...
Coronavirus: Infectious aerosols pose risk of infection The novel coronavirus SARS-CoV-2 keeps Germany and the...