Faucets; Showers; Bath installations; Cooling installations for water; Drinking fountains; Filters for drinking water; Gas scrubbing apparatus; Germicidal lamps for purifying air; Heaters, electric, for feeding bottles; Hot water heating installations; Ice machines and apparatus; Ionization apparatus for the treatment of liquids and gases for industrial, commercial or agricultural use; Mixer faucets for water pipes; Purification installations for sewage; Taps for pipes and pipelines being par...