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, 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