42521000 - Smoke-extraction equipment

CPV code 42521000 in the EU Common Procurement Vocabulary refers to Smoke-extraction equipment. It sits at level 4 of the CPV hierarchy as a category within the 42 division. This code is nested directly under 42520000, narrowing the broader category into the specific area of smoke-extraction equipment. As a leaf code, 42521000 has no further subdivisions and represents the most precise classification available in this branch — buyers should reference it directly in tender notices when the procurement primarily concerns smoke-extraction equipment. Contracting authorities across the EU use 42521000 in TED notices and national procurement portals to signal that a tender relates to smoke-extraction equipment.