Air purifying apparatus and machines; Aquarium filtration apparatus; Ionization apparatus for the treatment of air; Membrane filters for water filtering apparatus; Membrane filtration units for water treatment apparatus; Membranes for reverse osmosis units; Membranes for water filtering apparatus; Reverse osmosis membrane filters for water treatment; Reverse osmosis units; Sea water desalination plants; Water filtering apparatus; Water fountains; Water purifying apparatus and machines; Water softening apparatus and installations; Water sterilizers
Environmental Control Apparatus