Filtration apparatus; filtration apparatus for the filtration of materials from liquids; filtration apparatus for the separation, concentration or purification of liquids; filtration apparatus for use in forward osmosis processes; water conditioning apparatus; parts and fittings in this class for the foregoing apparatus including membranes and semi-permeable membranes, controls and monitoring devices

Membranes for use in filtration apparatus, including semi-permeable membranes not included in other classes; all the foregoing goods being made of polymers including natural and synthetic polymers