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Home > HTS Codes > Chapter 84 > 8421

Custom Duty Rate for HTS Code 8421 : Centrifuges, incl. centrifugal dryers (excluding those for isotope separation); filtering or purifying machinery and apparatus, for liquids or gases; parts thereof (excluding artificial kidneys)

Heading/SubheadingArticle DescriptionUnit of QuantityRates of Duty
12
GeneralSpecial
8421.11Centrifugal cream separators
8421.11.00.00Cream separators as centrifugesNo.Free30.00%
8421.12Centrifugal clothes-dryers
8421.12.00.00Clothes-dryers as centrifugal dryersNo.Free30.00%
8421.19Centrifuges, incl. centrifugal dryers (excluding isotope separators, cream separators and clothes dryers)
8421.19.00.00Centrifuges and centrifugal dryers, other than cream separators or clothes-dryersNo.0.00%Free (A,AU,BH,C,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG)30.00%
8421.21Machinery and apparatus for filtering or purifying water
8421.21.00.00Machinery and apparatus for filtering or purifying waterNo.Free40.00%
8421.22Machinery and apparatus for filtering or purifying beverages (excludingwater)
8421.22.00.00Machinery and apparatus for filtering or purifying beverages other than waterNo.Free40.00%
8421.23Oil or petrol-filters for internal combustion engines
8421.23.00.00Oil or fuel filters for internal combustion enginesNo.0.00%Free (A,AU,B,BH,C,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG)40.00%
8421.29Machinery and apparatus for filtering or purifying liquids (excluding such machinery and apparatus for water and other beverages, oil or petrol-filters for internal combustion engines and artificial kidneys)
8421.29.00Filtering or purifying machinery for liquids not otherwise specifiedFree40.00%
8421.29.00.05Refrigerant recovery and recycling units for liquidsNo.
8421.29.00.15Oil-separation equipment for liquidsNo.
8421.29.00.40Hydraulic fluid power filters for liquids, rated at 1,000 kilopascals or greaterNo.
8421.29.00.65Filtering or purifying machinery and apparatus for liquids, not elsewhere specifiedNo.
8421.31Intake air filters for internal combustion engines
8421.31.00.00Intake air filters for internal combustion enginesNo.0.00%Free (A,AU,B,BH,C,CA,CL,CO,D,E,IL,JO,KR,MA,MX,OM,P,PA,PE,S,SG)40.00%
8421.39Machinery and apparatus for filtering or purifying gases (excluding isotope separators and intake air filters for internal combustion engines)
8421.39.40.00Catalytic convertersNo.Free40.00%
8421.39.80OtherFree40.00%
8421.39.80.05For machine tools of headings 8456 through 8465, inclusivekg
8421.39.80.15Catalytic converters, being filtering or purifying machinery and apparatus for gaseskg
8421.39.80.20Electrostatic precipitatorsNo.
8421.39.80.30OtherNo.
8421.39.80.40Gas separation equipmentNo.
8421.39.80.60Pneumatic fluid power filters, rated at <il>550 kpa</il> or greaterNo.
8421.39.80.90Otherkg
8421.91Parts of centrifuges, incl. centrifugal dryers, n.e.s.
8421.91.20.00Drying chambers for centrifugal clothes-dryers and parts incorporating drying chambersNo.Free30.00%
8421.91.40.00Furniture designed to receive centrifugal clothes-dryersNo.Free30.00%
8421.91.60.00Parts of centrifuges or centrifugal dryers, other than drying chambers or furniturekgFree30.00%
8421.99Parts of machinery and apparatus for filtering or purifying liquids or gases, n.e.s.
8421.99.00OtherFree40.00%
8421.99.00.40Parts of machinery and apparatus for filtering or purifying waterkg
8421.99.00.80Filtering or purifying machinery parts, for liquids or gases, not elsewhere specifiedkg

Disclaimer: The HTS code data and duty rates shown on this page are sourced from the Harmonized Tariff Schedule of the United States, Revision 15 (2025), published by the U.S. International Trade Commission (USITC). This information is provided for general reference purposes only. Credlix is a trade finance platform, not a licensed customs broker, freight forwarder, or trade law firm. It makes no warranty, express or implied, regarding the accuracy, completeness, or fitness of this data. Always verify against the latest schedule at hts.usitc.gov before making any import decisions.

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