Air filtering installations; Air sterilisers; Apparatus and instruments for use in the purification, separation and sterilization of liquids and gases used in the biotechnology, pharmaceutical, medical, biopharmaceutical and food and beverage industries; Electric air sanitizing unit; Faucet handles; Filters for air conditioning; Filters for drinking water; Gas purification machines; Refrigerators and freezers for household use and replacement parts and fittings therefor; Sewage purification i...