11
Swimming pool chlorinating apparatus; Filters for use with swimming pools; Spa pools; Swimming pool heaters; Steam baths, saunas and spas; Solar thermal collectors [heating]; Water purification installations; Whirlpool-jet apparatus; Sauna bath installations; Cartridge filtration units [water treatment equipment]; Membranes for the filtration of water; Water filtering apparatus; Hydromassage bath apparatus; Spa baths [vessels]; Steam baths; Solar water heaters
19
Swimming pools [structures], not of metal; Buildings, transportable, not of metal; Structures and transportable buildings, not of metal; Greenhouse frames, not of metal; Stair-treads [steps], not of metal; Storage tanks [structures], not of metal; Water tanks (non-metallic -) [structures]; Stand tanks (Non-metallic -); Roofing, not of metal, incorporating photovoltaic cells; Modular greenhouses, not of metal; Modular building units (Non-metallic -)
28
Swimming pools [play articles]; Toys for use in swimming pools; Inflatable games for swimming pools; Paddling pools; Inflatable pools for recreational use; Swimming jackets; Swimming kickboards; Water wings