HEADING 8421
Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases; parts thereof:
Part of Chapter 84 — Nuclear Reactors, Machinery, Section XVI.
Subheadings and tariff lines
8421D01Centrifuges, including centrifugal dryers:
8421.11.00.00Cream separators
8421.12.00.00Clothes-dryers
8421.19.00.00Other
8421D02Filtering or purifying machinery and apparatus for liquids:
8421.21.00.00For filtering or purifying water
8421.22.00.00For filtering or purifying beverages other than water
8421.23.00.00Oil or fuel filters for internal combustion engines
8421.29.00Other
8421.29.00.05Refrigerant recovery and recycling units
8421.29.00D03Other:
8421.29.00.15Oil-separation equipment
8421.29.00.05D04Other:
8421.29.00.40Hydraulic fluid power filters, rated at 1,000 kPa or greater
8421.29.00.65Other
8421D05Filtering or purifying machinery and apparatus for gases:
8421.31.00.00Intake air filters for internal combustion engines
8421.32.00.00Catalytic converters or particulate filters, whether or not combined, for purifying or filtering exhaust gases from internal combustion engines
8421.39.01Other
8421.39.01D06Dust collection and air purification equipment:
8421.39.01.05For machine tools of headings 8456 through 8465, inclusive
8421.39.01.15Other
8421.39.01D07Other:
8421.39.01D08Industrial gas cleaning equipment:
8421.39.01.20Electrostatic precipitators
8421.39.01.30Other
8421.39.01.40Gas separation equipment
8421.39.01D09Other:
8421.39.01.60Pneumatic fluid power filters, rated at 550 kPa or greater
8421.39.01.90Other
8421D10Parts:
8421.91Of centrifuges, including centrifugal dryers:
8421.91.20.00Drying chambers for the clothes-dryers of subheading 8421.12 and other parts of clothes-dryers incorporating drying chambers
8421.91.40.00Furniture designed to receive the clothes-dryers of subheading 8421.12
8421.91.60.00Other
8421.99.01Other
8421.99.01.40Parts of machinery and apparatus for filtering or purifying water
8421.99.01.80Other
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The tariff classification of an air separator from Italy
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The tariff classification of a robotic pool skimmer from China
N359001
March 10, 2026
The tariff classification, country of origin, and eligibility of the United States-Mexico-Canada Agreement of an Electrochemical Water Purification System
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