filtered out so people don’t breathe them in, as they can be damaging to their health. The larger the volume of the space that needs purifying and the more substances [...] is now becoming more common in everyday applications. Stricter occupational health and safety measures, a desire for healthier living spaces, the need to reduce
https://www.jowat.com/fr-CH/detail-de-la-salle-de-presse/all-rounders-in-filter-production/