Apparatus and installations for decomposing toxic substances in water; Electrolytic water generators for electrically decomposing tap water to generate electrolytic water and for removing chlorine odor from tap water; Filtering units for water filtering, producing potable water for domestic use; Filters for drinking water; Ice cube making machines; Purification installations for sewage; Refrigerators; Sewage purification apparatus; Sewage purification installations; Water filters; Water filtr...