Air treatment equipment, namely ioniztion apparatus for the treatment of air; dehumidifiers; industrial dehumidifiers; dehumidifiers for commercial use; dehumidifiers for household use; apparatus for use in removing or preventing condensation, namely, dehumidifiers; apparatus and installations for ventilating, namely, ventilating exhaust fans; mobile dehumidifiers; ceiling mounted dehumidifiers; apparatus for dehydrating walls, floors, ceilings, buildings, installations and apparatus, namely,...