CPV code 42912100 designates Machinery and apparatus for filtering liquids in the Common Procurement Vocabulary (CPV 2008), the EU classification used to describe the subject of public contracts.
42912100 sits under 42912000 (Liquid filtering or purifying machinery and apparatus) and groups 3 more specific sub-codes. When classifying a tender, choose the narrowest code that still covers the full subject of the contract.