Chapter 84 · Machinery and mechanical appliances; computers · Section 16
HS Code 8421.99
Other
Heading 8421: Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases; parts thereof
US HTS + UK Tariff v4.0.1633 · updated 2026-10-21 · sources
Rates on this page are the official published schedule rates, shown for information. This is not a customs ruling: preference programs, Section 232/301 surcharges and per-shipment fees can change what you actually pay.
United States - HTS lines under 8421.99
Source: official Harmonized Tariff Schedule (USITC). "General" is the normal-trade-relations rate; "Special" lists preference programs; "Other" is the column-2 rate. Additional Section 232/301 duties may apply on top.
| HTS code | Description | General | Special | Other | Unit |
|---|---|---|---|---|---|
| 8421.99.01 |
Of centrifuges, including centrifugal dryers > Other 2 statistical lines (10-digit)
|
Free | - | 35% | kg |
Estimate the US duty runs in your browser · no caps
Enter the customs value (and quantity, when a rate is per-unit) to estimate the general-rate duty per HTS line. Estimates exclude Section 232/301 surcharges, MPF/HMF and fees. Not a customs ruling.
European Union - CN codes under 8421.99
Source: EU Combined Nomenclature (Eurostat, © European Union, reused per Decision 2011/833/EU). Duty rates and measures live in TARIC; each code links to the official consultation.
| CN code | Description | |
|---|---|---|
| 8421 99 90 | Other | EU duty (TARIC) → |
| 8421 99 10 | Parts of machinery and apparatus of subheadings 84212920 or 84213915 | EU duty (TARIC) → |
| 8421 99 00 | Other | EU duty (TARIC) → |
United Kingdom - commodity codes under 8421.99
Source: UK Integrated Online Tariff (Open Government Licence v3.0). Declarable 10-digit codes go on the customs declaration; check the official page for the current duty and VAT measures.
| Commodity code | Description | |
|---|---|---|
| 8421 99 00 00 | Other | UK duty & VAT → |
| 8421 99 10 00 | Parts of machinery and apparatus of subheadings 8421 29 20 or 8421 39 15 | UK duty & VAT → |
| 8421 99 90 00 | Other | UK duty & VAT → |
| 8421 99 90 10 | Of filtering or purification machinery and apparatus for liquids or gases, for use in certain types of aircrafts | UK duty & VAT → |
| 8421 99 90 92 | Parts of equipment for the purification of water by reverse osmosis, consisting essentially of plastic-based membranes, supported internally by woven or non-woven textile materials which are wound round a perforated tube, and enclosed in a cylindrical plastic casing of a wall-thickness of not more than 4 mm, whether or not housed in a cylinder of a wall-thickness of 5 mm or more | UK duty & VAT → |
| 8421 99 90 99 | Other | UK duty & VAT → |
Nearby codes in heading 8421
The subheadings immediately before and after 8421.99 in chapter 84.
Sources: U.S. International Trade Commission, Harmonized Tariff Schedule (public domain) · EU Combined Nomenclature © European Union, Eurostat (Decision 2011/833/EU) · UK Integrated Online Tariff, contains public sector information licensed under the Open Government Licence v3.0. Data refreshed weekly. Details on About & Data Sources.
Frequently asked questions
Common questions about HS code 8421.99.
What is HS code 8421.99?
HS code 8421.99 covers: Other. It belongs to chapter 84 (Machinery and mechanical appliances; computers) of the Harmonized System.
What is the US import duty for HS code 8421.99?
The US general (normal trade relations) rate is: Free. Preference programs and Section 232/301 surcharges can change the effective rate; see the HTS lines for detail.
What is the UK commodity code for 8421.99?
The UK extends 8421.99 to 6 declarable 10-digit commodity codes, starting with 8421990000. The full code goes on the UK customs declaration.