Subheading 8421.99 · Section XVI
8421.99
Machinery; parts for filtering or purifying liquids or gases
84 Machinery and mechanical appliances, boilers, nuclear reactors; parts thereof
8421 Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus for liquids or gases
8421.99 Parts for filtering or purifying liquids or gases
Other subheadings under 8421