HTS 8421.39.01 · Machinery and tools
Import duty on filters and purifiers from China
Filters and purifiers imported from China under HTS 8421.39.01 pay a total duty rate of about 37.5% of customs value for entries on November 3, 2026: the base (MFN) rate of Free, plus Section 301 — forced labor (60 economies) (9903.05.31) at 12.5% and Section 301 — China (Lists 1–4A) (9903.88.01) at 25%. The Merchandise Processing Fee and Harbor Maintenance Fee also apply.
Pending: Adjusting Imports of Robotics, Industrial Machinery, and Their Parts and Components (effective November 2, 2026); Adjusting Imports of Wind Turbines and Their Parts and Components (effective October 28, 2026). Published but not yet in the HTS revision used here.
Rates from the 2026 HTS Revision 22, effective October 30, 2026. Source: U.S. International Trade Commission, checked November 3, 2026.
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Line-by-line breakdown
HTS 8421.39.01.05, $10,000 customs value, shipped by ocean, entered November 3, 2026.
| Line | HTS / Chapter 99 | Rate | Amount |
|---|---|---|---|
| Base duty (MFN, column 1 general) | 8421.39.01.05 | Free | $0.00 |
| Section 301 — forced labor (60 economies) | 9903.05.31 | 12.5% | $1,250.00 |
| Section 301 — China (Lists 1–4A) | 9903.88.01 | 25% | $2,500.00 |
| Merchandise Processing Fee 19 CFR 24.23 · FY2027 | 0.3464% | $34.64 | |
| Harbor Maintenance Fee 19 CFR 24.24 · ocean shipments | 0.125% | $12.50 | |
| Total duty and fees | $3,797.14 | ||
Computed on statistical line 8421.39.01.05; the 7 lines under 8421.39.01 share its rates unless a Chapter 99 list names a specific line. Estimate only, not a binding ruling. AD/CVD, quota and agency fees are not included.
Frequently asked questions
What is the tariff on filters and purifiers from China?
Which Chapter 99 tariffs apply to filters and purifiers from China?
- 9903.05.31: Section 301 — forced labor (60 economies), 12.5%
- 9903.88.01: Section 301 — China (Lists 1–4A), 25%
Are there exemptions for filters and purifiers from China?
- 9903.05.88 may apply if the goods qualify: Articles of civil aircraft (all aircraft other than military aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components, as provided for in subdivision (d) of U.S. note 52 to this subchapter
- 9903.05.91 may apply if the goods qualify: Articles that are donations by persons subject to the jurisdiction of the United States, such as food, clothing and medicine, intended to be used to relieve human suffering
- 9903.05.92 may apply if the goods qualify: Articles that are informational materials, including but not limited to publications, films, posters, phonograph records, photographs, microfilms, microfiche, tapes, compact disks, CD ROMs, artworks and news wire feeds
Do filters and purifiers need a permit or other agency filing?
Are there antidumping or countervailing duties on filters and purifiers from China?
Filters and purifiers from other countries
Related products from China
See the full HTS heading: HTS 8421.