aquarium lights; aquarium heaters; aquarium filtration apparatus; air deodorizing apparatus; ionization apparatus for the treatment of air or water; air purifying apparatus and machines; germicidal lamps for purifying air; ELECTRIC, VENTILATING EXHAUST fans; ventilation installations, NAMELY, IR IMPELLERS, TURBINE VENTILATORS, VENTILATION UNITS FOR COMMERCIAL FOOD PREPARATION AND FOOD SERVING and VENTILATION apparatus; whirlpool-jet apparatus, NAMELY, JETS, BATHS, WHIRLPOOLS; water heaters; water intake apparatus, NAMELY, water filters; water softening apparatus and installations; water purification installations; water purifying apparatus and machines; water filtering apparatus; disinfectant apparatus FOR DISINFECTING WATER, DISH DISINFECTANT FOR INDUSTRIAL PURPOSES; distillation apparatus NOT FOR SCIENTIFIC PURPOSES; distillation columns AS PARTS OF DISTILLING INSTALLATIONS; immersion heaters; WATER level controlling valves FOR USE in tanks; heating elements; ELECTRIC, GAS, and WOOD BURNING stoves; heating installations; hot water heating installations; light-emitting diodes lighting apparatus, NAMELY, LIGHT FIXTURES; purification installations for sewage; diving lights; radiators; radiators, electric; regulating accessories for water or gas apparatus and pipes; light diffusers; water sterilizers; drying apparatus and installations, NAMELY, DRYING APPARATUS FOR USE IN HEATING, VENTILATION SYSTEMS, AIR CONDITIONING SYSTEMS AND REFRIGERATION SYSTEMS; heat pumps; luminous tubes for lighting; ultraviolet ray lamps, not for medical purposes; air conditioning installations; installations for conditioning air; air cooling apparatus; air filtering installations; filters for air conditioning; filters for drinking water