Air cleaning units; Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Air exchangers for cleaning and purifying air; Air purification units; Air purifiers; Air purifying apparatus; Air purifying units for commercial, domestic, inductrial use; Ionization apparatus for the treatment of air

Air cleaning units; Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Air purification units; Air purifiers; Air purifying apparatus; Air purifying units for commercial, domestic, industrial use; Air exchangers for cleaning and purifying air; Ionization apparatus for the treatment of air