Apparatus for filtering drinking water; Disinfectant apparatus for banknotes; Disinfectant apparatus for medical purposes; Filters for drinking water; Ionization apparatus for the treatment of air; Ionization apparatus for the treatment of liquids and gases for industrial, commercial or agricultural use; Pasteurizers for use in the water,beverage industry; Purification installations for sewage; Water filtering apparatus; Water heaters; Water purifying apparatus and machines; Water sterilizers...