Showers; Air purifiers; Air purifiers for automobiles; Air sterilisers; Bathroom heaters; Chlorinating units for water treatment; Clothes dryers; Dehumidifiers for household use; Electric clothes rack for drying clothing; Filters for air conditioning; Industrial-water purifying apparatus; Portable electric household appliance used to kill bacteria and viruses on food; Sewage purification installations; Water filters; Water treatment equipment, namely, water filtration units and reverse osmosi...