Harmonized Tariff Schedule of the U.S. › Chapter 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof

8421.39.01.90Tariff 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
Other
Other
8421.39.01.90

Rates of duty

General rate (Column 1)Free
Special—
Column 235%
Unitkg

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
  • 301 exclusion 9903.88.69 (by product description)9903.88.69ConditionalexemptDisposable plastic filters of a kind suitable for filtering and dehumidifying a patient's breath in a medical device such as a gas analyzer — only the products described; expires 2026-11-09 11:59 p.m. EDT
  • PGAFDA FD1

Confirmed total 37.5% · max 37.5%Full duty breakdown →

U.S. → China →