Heading 8421: Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus…
Every line of heading 8421 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases; parts thereof
Chapter 84: Machinery, mechanical appliances, boilers and nuclear reactors. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 8421.11.00.00 | Cream separators | Free |
| 8421.12.00.00 | Clothes-dryers | Free |
| 8421.19.00.00 | Other | 1.3% |
| 8421.21.00.00 | For filtering or purifying water | Free |
| 8421.22.00.00 | For filtering or purifying beverages other than water | Free |
| 8421.23.00.00 | Oil or fuel filters for internal combustion engines | 2.5% |
| 8421.29.00 | Other | Free |
| 8421.29.00.05 | Refrigerant recovery and recycling units | |
| 8421.29.00.15 | Oil-separation equipment | |
| 8421.29.00.40 | Hydraulic fluid power filters, rated at 1,000 kPa or greater | |
| 8421.29.00.65 | Other | |
| 8421.31.00.00 | Intake air filters for internal combustion engines | 2.5% |
| 8421.32.00.00 | Catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines | Free |
| 8421.39.01 | Other | Free |
| 8421.39.01.05 | For machine tools of headings 8456 through 8465, inclusive | |
| 8421.39.01.15 | Other | |
| 8421.39.01.20 | Electrostatic precipitators | |
| 8421.39.01.30 | Other | |
| 8421.39.01.40 | Gas separation equipment | |
| 8421.39.01.60 | Pneumatic fluid power filters, rated at 550 kPa or greater | |
| 8421.39.01.90 | Other | |
| 8421.91 | Of centrifuges, including centrifugal dryers: | |
| 8421.91.20.00 | Drying chambers for the clothes-dryers of subheading 8421.12 and other parts of clothes-dryers incorporating drying chambers | Free |
| 8421.91.40.00 | Furniture designed to receive the clothes-dryers of subheading 8421.12 | Free |
| 8421.91.60.00 | Other | Free |
| 8421.99.01 | Other | Free |
| 8421.99.01.40 | Parts of machinery and apparatus for filtering or purifying water | |
| 8421.99.01.80 | Other |
Public records · unclaimed listings
U.S. manufacturers in this industry, from public records
These companies are not Fromerica members and did not write these listings: Fromerica created them from public government records and has not verified what the records say. You cannot contact them from here. Open a listing to see what the record says.
- A.K.O. INC.
- ACCUTROL, LLC
- APERTURE OPTICAL SCIENCES INC.
- ARTHUR G. RUSSELL COMPANY, INCORPORATED THE
- BECON, INCORPORATED
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Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 8421 has 22 of them; the first 12 are below. Schedule B lookup →
- 8421.11.0000CREAM SEPARATORS
- 8421.12.0000CLOTHES-DRYERS, CENTRIFUGAL
- 8421.19.0000CENTRIFUGES, INCLUDING CENTRIFUGAL DRYERS, NESOI
- 8421.21.0000WATER FILTERING OR PURIFYING MACHINERY AND APPARATUS
- 8421.22.0000BEVERAGE FILTERING OR PURIFYING MACHINERY AND APPARATUS
- 8421.23.0000OIL OR FUEL FILTERS FOR INTERNAL COMBUSTION ENGINES
- 8421.29.0005REFRIGERANT RECOVERY AND RECYCLING UNITS FOR FILTERING OR PURIFYING LIQUIDS
- 8421.29.0015OIL-SEPARATION EQUIPMENT FOR FILTERING OR PURIFYING LIQUID
- 8421.29.0040HYDRAULIC FLUID POWER FILTERS, RATED AT 1000 KPA OR GREATER
- 8421.29.0065FILTERING OR PURIFYING MACHINERY AND APPARATUS FOR LIQUIDS, NESOI
- 8421.31.0000INTAKE AIR FILTERS FOR INTERNAL COMBUSTION ENGINES
- 8421.32.0000CATALYTIC CONVERTERS
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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