Air purifying apparatus and machines; Bath installations; Bathroom exhaust fans; Bathroom heaters; Faucets; Filters for drinking water; Heat diffusion collars and discs for use in furnaces; Light bulbs; Mixer faucets for water pipes; Radiators, electric; Refrigerating cabinets; Regulating accessories for water or gas apparatus and pipes; Toilet bowls; Wash-hands basins being parts of sanitary installations; Water purification installations