44221110 - Window frames

CPV code 44221110 in the EU Common Procurement Vocabulary refers to Window frames. It sits at level 6 of the CPV hierarchy as a subcategory within the 44 division. This code is nested directly under 44221100, narrowing the broader category into the specific area of window frames. As a leaf code, 44221110 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 window frames. Contracting authorities across the EU use 44221110 in TED notices and national procurement portals to signal that a tender relates to window frames.