Ionization apparatus for the treatment of liquids and gases for industrial, commercial or agricultural use; Water filtration and purification units and replacement cartridges and filters therefor; Water treatment equipment, namely, water filtration units; Sanitizing apparatus for linens using ultraviolet light, ozone sterilization and low pressure techniques; Sewage purification installations; Water softening apparatus and installations; Water desalination plants; Water treatment equipment, n...

[ Air filtering installations; Air purifying apparatus and machines; Aquarium filtration apparatus; Bed warmers; Boilers for heating installations; Coffee filters not of paper being part of electric coffee makers; Component parts of water cooling towers in the nature of wire mesh hangers for securing slat fill; Cooling installations for water; Disposable sterilization pouches, not for medical use; Electric footwarmers; Electric radiators; Electric stoves; Electro-chemical flue gas scrubbing m...