Section 16 Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers and parts and accessories of such articles 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof 84 21 Centrifuges; filtering/purifying machinery... for liquids or gases 84 21 31 Intake air filters for internal combustion engines Commodity Code Description 84 21 31 00 Intake air filters for internal combustion engines 84 21 31 10 For machinery of heading 84.29 or 84.30 84 21 31 20 For motor vehicles of Chapter 87 84 21 31 90 Other
