33157110 - Oxygen mask

CPV code 33157110 in the EU Common Procurement Vocabulary refers to Oxygen mask. It sits at level 6 of the CPV hierarchy as a subcategory within the 33 division. This code is nested directly under 33157100, narrowing the broader category into the specific area of oxygen mask. As a leaf code, 33157110 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 oxygen mask. Contracting authorities across the EU use 33157110 in TED notices and national procurement portals to signal that a tender relates to oxygen mask.