39821000 - Ammonia cleaners

CPV code 39821000 in the EU Common Procurement Vocabulary refers to Ammonia cleaners. It sits at level 4 of the CPV hierarchy as a category within the 39 division. This code is nested directly under 39820000, narrowing the broader category into the specific area of ammonia cleaners. As a leaf code, 39821000 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 ammonia cleaners. Contracting authorities across the EU use 39821000 in TED notices and national procurement portals to signal that a tender relates to ammonia cleaners.