7
Filtering machines; Filtering machines for chemical processing; Filtering machines used in sewage handling; Filters for machines; Water pumps for water filtering units; Portable filtration units [machines]; Electric water pumps; Electrical pumps; Water pumps; Fluid pumps; Pumping apparatus [machines]; Pumps [machines]
11
Water purifying apparatus and machines; Sewage purification apparatus; Electric bath-water purifying apparatus for household purposes; Industrial-water purifying apparatus; Filters for water purifiers; Water purification installations; Water purification tanks; Water purification units; Water softening apparatus and installations; Water softening installations; Apparatus for filtering drinking water; Water filtering apparatus; Water filters; Electric water purification filters for household purposes; Strainers for water lines; Water treatment filters; Water filtering installations; Membranes for the filtration of water; Water filtering units; Heating apparatus and installations; Lighting apparatus and installations; Apparatus for vapour producing installations; Cooking apparatus and installations; Refrigerating appliances and installations; Drying apparatus and installations; Ventilation [air-conditioning] installations and apparatus; Appliances for water distribution [automatic]