Hand wash basins being parts of sanitary installations; Water purifying apparatus; Disinfectant apparatus; Aquarium filtration apparatus; Water desalination plants; Purification installations for sewage; Swimming pool chlorinating apparatus; Water purification installations; Water filtering apparatus; Water purifying apparatus and machines; Sterilizers; Disposable sterilization pouches, not for medical use; Water sterilizers; Ultraviolet sterilizers for water treatment; Water treatment equipm...