Section 16 MACHINERY AND MECHANICAL APPLIANCES; ELECTRICAL EQUIPMENT; PARTS THERE OF; SOUND RECORDERS AND REPRODUCERS, TELEVISION IMAGE AND SOUND RECORD ERS AND REPRODUCERS, AND PARTS AND ACCESSORIES OF SUCH ARTICLES 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof 84 21 Centrifuges, including centrifugal dryers; filtering or purifying machinery and 84 21 11 84 21 11 00 Commodity Code Description 84 21 11 00 00 -- Cream separators 84 21 12 00 00 -- Clothes-dryers 84 21 21 00 00 -- For filtering or purifying water 84 21 22 00 00 -- For filtering or purifying beverages other than water 84 21 23 00 00 -- Oil or petrol-filters for internal combustion engines 84 21 29 00 00 -- Other 84 21 31 00 00 -- Intake air filters for internal combustion engines 84 21 32 00 00 Catalytic converters or particulate filters, whether or not combined, for purifying or f 84 21 39 00 00 -- Other 84 21 91 00 00 -- Of centrifuges, including centrifugal dryers 84 21 99 00 00 -- Other