AD AIR DEVISER

[ Air conditioners for vehicles; air-conditioning, air cooling and ] ventilation apparatus and instruments; drying apparatus for use in [ heating, ] ventilation systems [, air conditioning systems and refrigeration systems ] ; fans for air conditioning apparatus; [ fireplaces; gas scrubbers; heating installations; humidifiers; industrial dryers for heating and dehumidifying; interior environment control system for commercial buildings, namely, heaters, ventilators and humidifiers all sold as a unit; ionisation apparatus for the treatment of air; laboratory ventilation hoods; ] ventilating exhaust fans; ventilating fans for commercial and industrial use [ ; ventilation hoods ]