8307.90.30.00
With fittings
Flexible tubing of base metal, with or without fittings: Of other base metal
Duty rates
Column 1 (General / MFN)
3.8%
Column 2 (Non-NTR)
30%
Column 1 (Special / FTA)
Free
Eligible
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)
9903.03.01
The duty provided in the applicable subheading + 10%
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.02
The duty provided in the applicable subheading
Articles the product of any country that (1) were loaded onto a vessel at the port of loading and in transit on the final mode of transit prior to entry into the United States, before 12:01 a.m. eastern standard time on February 24, 2026; and (2) are entered for consumption, or withdrawn from warehouse for consumption, before 12:01 a.m. eastern standard time on February 28, 2026
Effective from February 24, 2026 through July 24, 2026
9903.03.03
The duty provided in the applicable subheading
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.04
The duty provided in the applicable subheading
Articles the product of any country, as provided for in subdivision (aa)(iii) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.05
The duty provided in the applicable subheading
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 of any country, provided for in subdivision (aa)(iv) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.06
The duty provided in the applicable subheading
Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.07
The duty provided in the applicable subheading
Articles the product of Canada, as provided for in subdivision (aa)(vi) of U.S. note 2 to this subchapter
Applies to origin: CA
Effective from February 24, 2026 through July 24, 2026
9903.03.08
The duty provided in the applicable subheading
Articles the product of Mexico, as provided for in subdivision (aa)(vii) of U.S. note 2 to this subchapter
Applies to origin: MX
Effective from February 24, 2026 through July 24, 2026
9903.03.09
The duty provided in the applicable subheading
Articles of textiles or apparel the product of Costa Rica, the Dominican Republic, El Salvador, Guatemala, Honduras or Nicaragua, as provided for in subdivision (aa)(viii) of U.S. note 2 to this subchapter
Applies to origin: CR, SV, GT, HN, NI, DO
Effective from February 24, 2026 through July 24, 2026
9903.03.10
The duty provided in the applicable subheading
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
Effective from February 24, 2026 through July 24, 2026
9903.03.11
The duty provided in the applicable subheading
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
Applies to origin: IL
Effective from February 24, 2026 through July 24, 2026
9903.88.03
LIST_1
The duty provided in the applicable subheading + 25%
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Applies to origin: CN
Effective from August 23, 2018
Related CBP rulings
The tariff classification of a flexible steel tube from India
The item under consideration is a flexible steel tube, Model # BUF20300156, identified by Metraflex as a capsule. These tubes are designed for Heating, Ventilation, and Air Conditioning (HVAC) systems and are often welded to elbows or flang
The country of origin marking, status under the United States-Mexico-Canada Trade Agreement (USMCA), and applicability of Section 301 trade remedy for the Vortex Stainless Flex Liner Kit.
The product under consideration is identified as the Vortex Stainless Flex Liner Kit (VOLKI-635). According to your submission, the flex liner kit is “intended for use with heating appliances burning solid fuels (pellet, wood) vented throug
The tariff classification of Flexible Air Duct (Tube) and Stainless Steel Duct Clamps from China
The first item under consideration is identified as Flexible Air Duct (Tube).
The tariff classification, status and country of origin marking under the North American Free Trade Agreement (NAFTA), of braided hose with couplings from Mexico; Article 509
The subject articles are identified as insulated braided hose with couplings.
The tariff classification, status and country of origin marking under the North American Free Trade Agreement (NAFTA), of braided hose with couplings from Mexico; Article 509
The subject articles are identified as insulated braided hose with couplings.
Application for Further Review of Protest Number 0401-14-100051; Tariff classification of stainless steel flexible hoses
This AFR regards one entry of the subject merchandise into the Port of Boston. FlexHead imported the goods on March 26, 2013 classified under subheading 8424.90.90, HTSUS, which provides for, “Mechanical appliances…for projecting, dispersin
The tariff classification of copper tube connector from China, Taiwan or Korea.
The product you intend to import is described as a corrugated copper water heater connector. It is used to connect a water heater to the water supply. The connector is an approximately 24 inch length of seamless corrugated copper tubing wit
The tariff classification of insulated flexible tubing from Germany
The item you plan to import is identified as Armaflex Duosolar which is pre insulated flexible stainless steel tubing. From literature submitted the purpose of the armaflex duosolar flexible tubing is as feed and return pipes for solar hot
The tariff classification of flexible corrugated stainless steel tubing from Korea.
The product you plan to import is described as Parker Gas Piping (PGP) which is flexible corrugated type 304 stainless steel tubing having a wall thickness of less than .305mm. The tubing is covered by a sheet of polyethylene. PGP is used f
The tariff classification of stainless steel flexible tubing from Italy.
The product to be imported is described as stainless steel cable for use in a power steering assembly. This flexible metal tubing is imported on spools in material lengths. After importation, the tubing is cut to a specific length, encased
The tariff classification of flexible corrugated copper pipe from China.
The item to be imported is a length of corrugated flexible copper tubing that you identify as a connector. Attached on either end of the tubing is a brass fitting. The connector joins a water heater to PEX pipe.
The tariff classification of steel vent system components from Canada.
The items to be imported are various components of the Ceraflex Flexible Insulated Direct Vent System for oil burning appliances. Part No. CFV014-6, called a vent, is a double walled insulated flexible tube. Comprised of both aluminum and s
Other codes in heading 8307
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 8307.90.30.00 from each major US trading partner.
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