Drainage channels of metal;Drainage pipes of metal;Guttering of metal for the dispersal of wastewater.

Drainage pipes (Non-metallic -);Drainage channels (Non-metallic -);Drainage installations (Non-metallic -);Drain pipes;Guttering (Non-metallic -) for the dispersal of waste water;Drain pipes (Non-metallic -);Drain gullies, not of metal;Non-metallic pipes [drain];Drain pipes, not of metal;Pipes (Drain -) not of metal;Drain channels, not of metal;Drains [other than of metal or plastic];Plastic conduits for drainage;Non-metallic drainage pipes;Non-metallic conduits for water discharge;Floor drainage channels made of non-metallic materials.

Purification and treatment apparatus and installations, all for sewage and water; filters and filtering apparatus for all the aforesaid goods; settling, sedimentation and separation apparatus; all incorporating tubes; all included in Class 11; but not including any such goods in the nature of flooring.

Biological waste water treatment media; plastic media for biological waste water treatment in fixed film reactors and mass transfer between liquids and gas; parts and fittings for all the aforesaid goods; all included in Class 11.

Filling material and inserts for heat exchange (not machine parts), for moisture exchange and/or for mass transfer, namely parts of installations, apparatus or instruments in the field of process engineering for cooling, for heating, for humidifying gases, for dehumidifying of gases, for the absorption of substances, for the desorption of substances and/or for the reaction of substances; filling material and inserts for installations, apparatus and instruments for the filtration of air as well as for installations, apparatus and instruments for the filtration of water; filling material and inserts for installations, apparatus and instruments for the humidification of air and gases; packing elements and mounting elements made of metal, plastics, glass or ceramics for gas scrubbers, for ventilating apparatus and installations, for evaporation coolers; exchange elements for cooling towers; plastic fixtures with parallel or crosswise arranged duct shaped cavities for air filtering apparatus, water filtering apparatus, gas scrubbers, air humidifiers, ventilating installations, gas-liquid-mass transfer installations, rain water or waste water treatment installations and evaporative coolers; splash deflectors for cooling towers; parts and accessories for all afore-mentioned goods, included in this class.

Plastics for use in manufacture, included in this class; plastic parts for air filters and air filter installations, for water filters and water filter installations, for cooling apparatus and installations and cooling towers, for air humidifying apparatus and installations, for gas scrubbing apparatus and installations, for ventilating apparatus and installations, for installations of mass transfer and/or rain water or waste water treatment installations; semi-processed plastics in foil form or in the form of undulated layers for use in columns as structured packing; semi-processed materials in the form of plastic foils for filters, for gas scrubbing installations, for refrigerating installations and cooling towers, for installations of mass transfer, for air humidifying installations, for ventilating installations and/or for rain water or waste water treatment installations.

Plastics in extruded form for use in manufacture, namely boxes made from polypropylene for stormwater infiltration systems; plastic parts for waste water clarifying installations, drinking water treatment installations, refrigerating apparatus and installations and cooling towers, storage and seepage installations for rainwater or waste water, namely lyers of geotextile fabrics for stormwater infiltration systems; filling material in foil form for filters used in aquaculture, for mass transfer and mass transfer columns, and for air/exhaust gas purification.

Heat exchangers (not machine parts), moisture exchangers, exchange elements and inserts for cooling towers, splash deflectors for cooling towers, inserts for filtering air and water, gas scrubbers, ventilating apparatus and equipment, humidifiers for conditioning air and gases, evaporation coolers.

Plastics in extruded form for use in manufacture; plastic parts for waste water clarifying installations, drinking water treatment installations, air humidifying apparatus and installations, refrigerating apparatus and installations and cooling towers, storage and seepage installations for rainwater or waste water, namely filling materials in foil form; filling material in foil form for filters used in aquaculture, for mass transfer and mass transfer columns, and for air/exhaust gas purification, and for air humidifying.

Apparatus for separating solids, liquids and gases from liquids by means of sedimentation; apparatus for treating and purifying water by means of filtration; devices for clarifying water by means of gravity sedimentation, mainly consisting of filter elements; baffle plate thickeners, namely apparatus for clarifying water by means of sedimentation and filtration.

Plastics in extruded form for use in manufacture; plastic parts for waste water clarifying installations, drinking water treatment installations, air humidifying apparatus and installations, refrigerating apparatus and installations and cooling towers, storage and seepage installations for rainwater or waste water, namely filling materials in foil form; filling material in foil form for filters used in aquaculture, for mass transfer and mass transfer columns, and for air/exhaust gas purification, and for air humidifying.

Apparatus for biological waste water treatment; apparatus of plastic for biological waste water treatment in fixed film reactors and mass transfer between liquids and gases; parts and fittings for the aforesaid goods, included in class 11, heat exchangers (not machine parts), moisture exchangers, exchange elements and inserts for cooling towers, splash deflectors for cooling towers, inserts for filtering air and water, gas scrubbers, ventilating apparatus and equipment, humidifiers for conditioning air and gases, evaporation coolers.

Plastics in extruded form for use in manufacture; plastic parts for waste water clarifying installations, drinking water treatment installations, air humidifying apparatus and installations, refrigerating apparatus and installations and cooling towers, storage and seepage installations for rainwater or waste water, namely filling materials in foil form; filling material in foil form for filters used in aquaculture, for mass transfer and mass transfer columns, and for air/exhaust gas purification, and for air humidifying.

Heat exchangers (not machine parts), moisture exchangers, exchange elements and inserts for cooling towers, splash deflectors for cooling towers, inserts for filtering air and water, gas scrubbers, ventilating apparatus and equipment, humidifiers for conditioning air and gases, evaporation coolers.

Building materials (non-metallic); non-metallic rigid pipes for building; asphalt, pitch and bitumen; non-metallic transportable buildings.

Non-metallic building materials.