8421.29.00
Other
Centrifuges, including centrifugal dryers; filtering or purifying machinery and apparatus, for liquids or gases; parts thereof: Filtering or purifying machinery and apparatus for liquids
Data provenance: Rates from HTS Revision 16 (Aug 15, 2026); trade measures verified against CBP CSMS and Federal Register notices through Aug 15, 2026.
Duty rates
Column 1 (General / MFN)
Free
Column 2 (Non-NTR)
35%
The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.
Trade measures (Chapter 99)
No active Chapter 99 measures are linked to this code.
Rate-change history
What the rate was before, and when it changed. The government schedule replaces each revision in place; we keep the timeline.
-
RATE_INCREASE USITC HTS Revision 2026.7
Rate increase on 9903.82.11: 0% → 15% (Section 232 combined metals)
See the change → -
RATE_INCREASE USITC HTS Revision 2026.7
Rate increase on 9903.82.08: 0% → 10% (Section 232 combined metals)
See the change → -
RATE_INCREASE USITC HTS Revision 2026.7
Rate increase on 9903.82.03: 0% → 15% (Section 232 combined metals)
See the change → -
SCOPE_EXPANSION Proclamation April 2, 2026 - Combined Metals
Section 232 steel scope expanded: 523 HTS codes added under combined-metals framework
See the change → -
NEW_PROGRAM Proclamation April 2, 2026 - Combined Metals
Combined Section 232 metals framework introduced — 16 new Chapter 99 codes (9903.82.02–17)
See the change → -
NEW_PROGRAM Executive Order Feb 1, 2026 — Reciprocal Tariff (FR 2026-03824)
Section 122 reciprocal surcharge in effect — additional 10% on most imports through July 24, 2026
See the change → -
Base rate HTS 2023
Column 1 general rate set to Free.
Related CBP rulings
The tariff classification of feeding machines from Canada
The tariff classification of feeding machines from Canada
The tariff classification of the Fournier Rotary Press from Canada
The tariff classification of the Fournier Rotary Press from Canada
The tariff classification of a robot pool cleaner from Vietnam
Descriptive literature wasprovided for our review.The merchandise under consideration is described as the Aiper Scuba S1 Cordless Robotic Pool Cleaner(model X5 Pro 2025), which is a battery-powered, autonomous, fully submersible robot engin
The tariff classification of Isolators from Ireland
The tariff classification of Isolators from Ireland
The tariff classification of replacement air filters from China
The items under consideration are described as replacement air filters (model numbers AOIA-2SRF,AOIA-2MRF, AOIA-2LRF, and AOIA-2PRF), which are dedicated replacements for the iAdaptAir 2.0residential air purifiers. Each unit is a multi-stag
The tariff classification and country of origin of the Lex Aqua closed-loop water treatment system
The tariff classification and country of origin of the Lex Aqua closed-loop water treatment system
The tariff classification of a disposable CLIC absorber from Germany
Descriptive literature was provided for our review. The items under consideration are described as disposable CLIC absorbers, which are devices designed for use with Dräger anesthesia workstations and compatible respiratory therapy equipmen
The tariff classification of components of Homestyle Aspen Oxygen Concentrator from China.
The tariff classification of components of Homestyle Aspen Oxygen Concentrator from China.
The tariff classification of an air and dirt separator from Italy
The tariff classification of an air and dirt separator from Italy
The tariff classification of a combination separator from Italy
The tariff classification of a combination separator from Italy
The tariff classification of a hydro separator from Italy
The tariff classification of a hydro separator from Italy
The tariff classification of an air separator from Italy
The tariff classification of an air separator from Italy
Other codes in heading 8421
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 8421.29.00 from each major US trading partner.
Follow 8421.29.00
Get an email when a new CBP ruling cites this code, a ruling on it is revoked, or its tariff measures change.
One email per day at most. Confirm your address once, unsubscribe anytime.
Need to defend this classification?
Get the full 10-digit classification with GRI reasoning for your product, backed by cited CBP rulings and an audit trail for reasonable care.