Filtering materials (chemical preparations); chemical preparations, namely, filter pulps, in particular on biological basis for purification of air and for the treatment of odour loaded exhaust air; water treatment preparations
ChemicalsExtracting machines; dust removing installations for cleaning purposes; filtering machines; conveyors and conveyor belts as well as their parts; fiber separators for removal of coarse material and pollutions from the fiber flow; heat recovery devices (parts of machines); machines for disposal and briquetting of cleaned or filtered material
MachineryInstallations and equipment for the purification of air; suction ventilators; filters for exhaust extractors (parts of household or industrial installations); radial air fans; filters for waste gas purification; filters for industrial facilities; filters for air purification; biological filter systems for the treatment of odour loaded exhaust air; cooling appliances; sewage purification installations; water purification apparatus and installations; heat regenerators
Environmental Control Apparatus