Air sterilisers; Drying apparatus for use in heating, ventilation systems, air conditioning systems and refrigeration systems; Lamp bulbs; Portable electric heaters; Sanitary installations in the nature of steam rooms; UV halogen metal vapour lamps; Apparatus for disinfecting water; Dish disinfectant apparatus for industrial purposes; Economisers, namely, devices for warming feed water in heating boilers; Electric fans with evaporative cooling devices; Pressure cookers, electric
Environmental Control Apparatus