Air-conditioning apparatus and installations; Air purifying apparatus and machines; Bath installations; Drinking fountains; Faucets; Filters for drinking water; Flexible pipes being parts of bath plumbing installations; Sinks; Ventilators for household use; Water filtering apparatus; Water fountains; Water heaters; Water purification installations; Water purifying apparatus and machines; Water softening apparatus and installations; Regulating accessories for water supply, namely, metered valves; Shower and bath cubicles