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 29 Machinery and apparatus for filtering/purifying liquids, nes Commodity Code Description 84 21 29 00 Machinery and apparatus for filtering/purifying liquids, nes 84 21 29 10 Of a kind suitable for medical, surgical or laboratory use 84 21 29 20 Of a kind used for sugar manufacture 84 21 29 30 Of a kind used in oil drilling operations 84 21 29 40 Other, petrol filters 84 21 29 50 Other, oil filters 84 21 29 60 Other, of fluoropolymers and with filter or purifier membrane thickness 84 21 29 90 Other