Scientific, surveying, optical, weighing, measuring, signaling, checking or supervision apparatus and instruments, namely, apparatus and instruments for determining radiation intensity, pressure, temperature, velocity, flow and time including surveillance and signaling whether and/or when threshold values are exceeded or undercut; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; computers; downloadable computer programs for operating and controlling aeration, disinfection and sterilization systems, recorded computer programs for operating and controlling aeration, disinfection and sterilization systems; scientific apparatus and instruments for scientific research in laboratories, namely, sensors for detecting pressure, air flow, chemical composition of gases and liquids, bacteria, microorganism, toxins, viruses and contamination; electric and electronic apparatus and instruments for inspection of contamination of liquids and gases

Medical apparatus and instruments, namely air filters for medical purposes, medical air filters for filtering particle impurities of different particle sizes; medical apparatus and instruments for use in surgery for destroying airborne microorganisms by applying radiation and/or heat; medical apparatus and instruments for use in surgery for destroying viruses and bacteria by applying radiation and/or heat; furniture and installations specially designed for medical use, namely, demountable sterile isolation rooms and isolation tents; surgical lamps for medical purposes and UV lamps for medical applications

Apparatus for lighting, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, namely, ultraviolet lighting installations, cooking range hood systems and cuisine ventilating exhaust fan systems, air dehumidifying systems, ventilation systems for moving outdoor air into a building or a room and/or distributing the air within the building or room or for removing air from a building or a room, air conditioning systems, refrigeration systems, cooling fan systems for wall ovens , water preparation systems in the nature of water sterilizers, sustainable onsite wastewater treatment systems, physical water treatment systems using ultraviolet radiation; apparatus and devices for air conditioning, namely air conditioners; air ventilating apparatus and devices; odor neutralizing apparatus and devices in the nature of portable electric household appliance used to kill bacteria and viruses on food, namely, apparatus for destroying odor-producing bacteria and microorganism by applying radiation and heat for use on food, ultraviolet radiation treatment systems in the nature of air sterilizers used to destroy airborne volatile organic compounds, airborne toxins, airborne bacteria, odors and other air pollutants; air treatment apparatus and devices in the nature of air sterilizers, namely, air cleaner and air purger; air purifying apparatus and devices; air humidifying apparatus and devices, namely, air humidifiers for household use; air freshening apparatus and devices, namely, air freshener and air purifier, air purification and deodorization equipment, ozone sanitizers for air, all in the nature of air sterilizing apparatus; air exhaustion apparatus and devices, namely, ventilating exhaust fans, ventilators for moving outdoor air into a building or a room and/or distributing the air within the building or room or for removing air from a building or a room, hot air blowers, faucet aerators, air exchanger for cleaning and purifying air, air convecting heaters; air heating apparatus and constructions, namely, electric heaters for commercial use; disinfection and sterilization apparatus, namely, germicidal lamps for purifying air, bactericidal lamps for purifying air, air purifying apparatus for germ-reduction using radiation, heat, salts or ozone not for medical use; decontamination apparatus and devices in the nature of air sterilizers, namely, apparatus and instruments for destroying airborne microorganisms by applying radiation and/or heat not for medical use, apparatus and instruments for destroying viruses and bacteria in the nature of air sterilizers by applying radiation and/or heat not for medical use; apparatus and devices for sterilization against viruses, bacteria, mould and ferments, namely, air sterilizers not for medical use, apparatus in the nature of air sterilizers for destroying airborne viruses, bacteria, mould and ferments by applying ultraviolet radiation not for medical use; air filter apparatus and devices, namely, air filters for industrial installations; sterilization, disinfection and decontamination devices and equipment, namely, disinfecting ultraviolet lamps not used for medical purposes and housed in a container or housing for disinfecting ambient air of a room or tent, disinfecting ultraviolet lamps housed in a ventilating unit for disinfecting air passing through the ventilating unit; lamps; lamp housings, namely, electrical connector housings for lamps; replacement parts of the aforementioned products, namely, air filtering units, filter elements for filtering water, water filtration and purification units and replacement filter cartridges, grids for ventilation units for commercial food preparation grids, filter cartridges and ventilation grids, and ultraviolet lamps for non-medical purposes