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, INCLUDING CENTRIFUGAL DRYERS; FILTERING OR PURIFYING 84 21 99 OTHER PARTS FOR FILTERING OR PURIFYING MACH. & APPARATUS FOR LIQUIDS/GASES Commodity Code Description 84 21 99 00 OTHER PARTS FOR FILTERING OR PURIFYING MACH. & APPARATUS FOR LIQUIDS/GASES