Faucets; Air sterilizers; Automatic flush valves for toilets; Bioreactors for use in the treatment of wastewater; Coffee machines incorporating water purifiers; Disinfectant apparatus for dispensing solutions into water-pipes for sanitary installations; Filters for use with apparatus for water supply; Heating and cooling apparatus for dispensing hot and cold beverages; Membrane filtration units for water treatment apparatus; Membranes for reverse osmosis units; Mixer taps for water pipes; Rev...