11 Machines and apparatus for air sterilization, purification of air; Machines and apparatus for air treatment, namely, ionization apparatus for the treatment of air, air sterilisers, air purification units, air washers, air purifiers, air exchangers for cleaning and purifying air, mobile air purification units for hospital and non-hospital areas with a refreshing module option; apparatus for increasing and controlling hygiene in confined gaseous areas especially in buildings, offices, homes, industrial facilities, public spaces, transport, automobiles, ambulances, trucks, airplanes, trains, boats and all other places hosting individuals and the general public, namely, mobile air sterilization units not for medical purposes for use in hospital and non-hospital areas with a refreshing module option; apparatus for air treatment, air sterilization, purification of air, namely, ionization apparatus for the treatment of air, air sterilisers, air purification units, air washers, air purifiers, air exchangers for cleaning and purifying air, mobile air sterilization units for use in hospital and non-hospital areas with a refreshing module option; apparatus and machines to increase the hygiene conditions of objects, especially medical and surgical utensils, kitchen utensils and more generally of any equipment and all surfaces impacting on the health of persons, especially through the destruction of micro-organisms and the filtration of particles, namely, mobile sterilization units not for medical purposes for use in hospital and non-hospital areas with a refreshing module option; apparatus for increasing and controlling hygiene in confined gaseous environments such as clean rooms, surgery rooms, patient rooms, ambulances and all other sites requiring strengthened hygiene measures for medical purposes, namely, aquarium filtration apparatus, water purification and filtration apparatus, filters made of fiber for water filtration, water filtration units for hospital and non-hospital areas with a refreshing module option