11 Lighting apparatus, namely, electrical lighting fixtures; heating installations, namely, electric radiators for heating buildings; cooling and drying apparatus, namely, air conditioners; machines for distribution and regulation of flow of liquids, including water, its elements and accessories, namely, industrial liquid filters; tap water faucets, pressure and non-pressure filters for water; level controlling valves, thermostatic valves, and air valves for steam heating installations; sanitary apparatus, namely toilet bowls; furnaces, evaporative air coolers for furnaces, air cooling apparatus, namely evaporative air coolers, heat regenerators, air purifying apparatus and machines, water purifying apparatus and machines, gas and electric boilers, refrigerating chambers; cooling appliances, installations, and machines, namely, industrial refrigerators and freezers, cooling appliances, installations, and machines for cooling liquids and/or gas, including water, as well as drinks, namely, refrigerators and freezers, ice boxes, ice chests, range extractor hoods for household purposes, air conditioners; mini-refrigerators for use underneath bars; hot water heaters, complementary gas regulation apparatus, accessories and replacement parts for heating boilers; air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; valves for distribution and regulation of liquids; safety devices, regulating and safety accessories for water distribution, namely valves for sprinkler systems; laundry dryers