Air cleaning units; Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Air exchangers for cleaning and purifying air; Air filtering installations; Air filters for air conditioners in vehicle passenger compartments; Air filters for heating and cooling registers; Air filters for industrial installations; Apparatus for filtering drinking water; Filters for air extractor hoods; Industrial air filter machines; Swimming pool water cleaning and filtering units; Water filtering apparatus; Water filters; Water purification units
Environmental Control Apparatus