Harmonized Tariff Schedule of the U.S. › Chapter 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof
8421.39.01.20Tariff line
Classification path
Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases; parts thereof
8421
Filtering or purifying machinery and apparatus for gases
Other
Other
Industrial gas cleaning equipment
Electrostatic precipitators
8421.39.01.20
Rates of duty
General rate (Column 1)Free
Special—
Column 235%
UnitNo.
Printed page 2769
Measure flags
for origin CN, entry date 2026-10-26 · base rate Free
- Section 301 forced-labor tariff (12.5%)9903.05.31Applies+12.5%China: Column 1 rate + 12.5% additional
- China 301 List 1 (9903.88.01)9903.88.01Applies+25%8-digit subheading 8421.39.01 is on L1
Confirmed total 37.5% · max 37.5%Full duty breakdown →