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...
Coronavirus: Infectious aerosols pose risk of infection The novel coronavirus SARS-CoV-2 keeps Germany and the...
Invisible health risk – remedy through suitable air purification At the latest since the discussion...