Water Filters
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 8405900000 | 35.0% | CN | US | Official Doc |
| 8405100000 | 35.0% | CN | US | Official Doc |
| 8421210000 | 35.0% | CN | US | Official Doc |
| 5911900080 | 38.8% | CN | US | Official Doc |
| 5911400100 | 43.0% | CN | US | Official Doc |
| 8421290065 | 35.0% | CN | US | Official Doc |
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AI Analysis
π§ Water Filters (Liquid/Gas Filtration & Purification Equipment)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy π I. Product Definition & Classification: Do You Really Know "Water Filters"?
Water filters, in international trade, are not a single entity but a category divided by function, structure, and application. They range from simple household pitchers to complex industrial membrane systems. Misclassification is the #1 cause of customs delays and unexpected tax liabilities.
Key Distinctions: * Complete Filtration Devices (8421.21/8421.29): Machines designed specifically to filter or purify liquids (water, oil) or gases. These are often standalone units or integrated systems. * Parts & Components (8405.90, 5911.90): Replaceable filter cartridges, membranes, cloth bags, or specific sub-assemblies for hydrogen/gas generators. These are not the filtration machine itself but essential consumables or spare parts.
β οΈ Critical Classification Point: - If the product is a standalone unit with a housing, inlet/outlet ports, and a filtration core intended for immediate use β It is likely 8421.21 or 8421.29. - If the product is a replaceable cartridge/filter element made of textile/membrane materials β It may fall under 5911.90. - If it is a part for a gas generator (e.g., a specific purifier module) β It falls under 8405.90 or 8405.10.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority Match)
| HS Code | Product Description | Applicable Scenario | Tax Rate (China Origin β US) |
|---|---|---|---|
8421.21.00.00 |
Liquids or gases filtering/purifying machines and apparatus, for water | Whole house filters, under-sink systems, industrial water treatment plants | 35.0% |
8421.29.00.65 |
Other filtering/purifying machines and apparatus (e.g., oil, air, chemical) | Air purifiers, oil filters, non-water industrial purifiers | 35.0% |
8405.90.00.00 |
Parts of gas generators and gas purifiers | Replacement parts for hydrogen generators, specific purifier modules | 35.0% |
8405.10.00.00 |
Gas generators and gas purifiers (complete units) | Complete hydrogen gas generators with integrated purification | 35.0% |
5911.90.00.80 |
Textile products used in technical/industrial applications (e.g., filter cloths, bags) | Replaceable filter bags, mesh filters, non-woven filter media (consumables) | 38.8% |
π Key Reminder: - 8421.21/29 are for the machine itself. High volume, capital equipment. - 5911.90 is for textile-based consumables (filter cloths/bags). If itβs a plastic/metal cartridge, it likely belongs to 8421, not 5911. - 8405 Series is strictly for gas/hydrogen generator components. Do not misclassify water filters as gas generator parts.
π° III. 2026 Latest Tariff Rate Breakdown (Including Surcharge & Policy Add-ons)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: November 10, 2025 (and subsequent imports)
π― 1. 8421.21.00.00 & 8421.29.00.65 ββ Filtration/Purification Machines for Water/Others
| Item | Content |
|---|---|
| Base Tariff | 0.0% (ad valorem) |
| Section 301 Surcharge | +25.0% (USITC Footnote 9903.88.01) |
| IEEPA Surcharge | +10.0% (Targeting China/HK products, effective Nov 10, 2025) |
| Section 122 Surcharge | +10.0% (Specific trade remedy/additional duty) |
| Total Rate | 35.0% |
| Tax Calculation | CIF Value Γ 35% |
| De Minimis Exemption | β Not Applicable (deny_de_minimis) |
| Legal Basis Path | IEEPA:9903.01.25 β IEEPA:9903.01.24 β USITC:8421.21.00.00 β FOOTNOTE:9903.88.01 |
π Explanation: - Base 0%: Standard MFN rate for filtration equipment is low. - Section 301 (25%): The primary tariff on Chinese machinery. - IEEPA 10%: Additional tariff for specific technology/equipment categories from China. - Section 122 (10%): An additional layer affecting specific industrial goods. - Total 35%: This is a high-cost import. Margin erosion must be calculated precisely.
π― 2. 8405.90.00.00 & 8405.10.00.00 ββ Gas Generator Parts & Units
| Item | Content |
|---|---|
| Base Tariff | 0.0% |
| Section 301 Surcharge | +25.0% |
| IEEPA Surcharge | +10.0% |
| Section 122 Surcharge | +10.0% |
| Total Rate | 35.0% |
| Tax Calculation | CIF Value Γ 35% |
| De Minimis Exemption | β Not Applicable |
| Legal Basis Path | IEEPA:9903.01.25 β IEEPA:9903.01.24 β USITC:8405.90.00.00 β FOOTNOTE:9903.88.01 |
π Note: - Identical tax structure to water filters due to similar tariff treatment under Section 301 and IEEPA. - Ensure the product is indeed a gas generator component. Misclassification here can lead to severe penalties if it's actually a water filter.
π― 3. 5911.90.00.80 ββ Textile Filter Products (Consumables)
| Item | Content |
|---|---|
| Base Tariff | 3.8% |
| Section 301 Surcharge | +25.0% |
| IEEPA Surcharge | +10.0% |
| Section 122 Surcharge | +10.0% |
| Total Rate | 38.8% |
| Tax Calculation | CIF Value Γ 38.8% |
| De Minimis Exemption | β Not Applicable |
| Legal Basis Path | IEEPA:9903.01.25 β IEEPA:9903.01.24 β USITC:5911.90.00.80 β FOOTNOTE:9903.88.01 |
π Critical Distinction: - This is the most expensive category per unit value due to the 3.8% base rate. - Only applies to textile-based filters (cloth bags, mesh). If the filter is plastic, ceramic, or metal, it does not belong here. - Example: A "filter bag" for industrial dust/water separation is 5911. A "cartridge filter" is 8421.
π οΈ IV. Customs Clearance Practical Advice (Real-World Pitfall Guide)
β 1. Document Checklist (Essential for Clearance)
| Document | Required | Description |
|---|---|---|
| β Product Specifications | βοΈ | Detailed description: Material, filtration precision, flow rate, pressure rating. |
| β Structure Diagram | βοΈ | Show internal components: Housing, cartridge, seals. Crucial for 8421 vs. 5911 distinction. |
| β Product Photos | βοΈ | Clear images of label, model, and overall structure. |
| β Commercial Invoice | βοΈ | Must state: "Water Filtration Machine, Model XYZ, Material: Plastic/Stainless Steel". |
| β Packing List | βοΈ | Separate packaging for filters (if consumables) vs. machines. |
| β Certifications | βοΈ | NSF/ANSI 42, 53, 58 (for drinking water); CE/FCC (if electronic controls included). |
β 2. Declaration Strategy (Key Rules)
π₯ βMachine is 8421, Cloth is 5911, Gas Parts are 8405. Donβt Mix!β
| Scenario | Correct HS Code | Error Consequence |
|---|---|---|
| Whole Water Filter System (with housing & ports) | 8421.21.00.00 |
Misclassifying as parts β Delayed clearance, audit risk. |
| Replaceable Filter Bag (textile/mesh) | 5911.90.00.80 |
Misclassifying as machine β Lower tax (35% vs 38.8%), but risk of penalty for incorrect material declaration. |
| Hydrogen Generator Purifier | 8405.90.00.00 |
Misclassifying as water filter β Wrong HTS, potential fraud allegation. |
| Filter Cartridge (plastic/membrane) | 8421.29.00.65 (if part of machine) or separate if sold individually |
Must declare as "Part of Filtration Apparatus" if bundled. |
π‘ Pro Tip: If selling consumable filters separately, ensure your invoice explicitly states "Replacement Filter Element, Not a Complete Machine" to avoid being taxed as a machine. However, the tax rate difference (35% vs 38.8%) means you must choose the correct code based on material composition, not just to save tax.
β 3. Special Cases & Handling
| Situation | Handling Advice |
|---|---|
| Electronic Control Units Integrated | If the filter has a screen, pump, or sensor, itβs still 8421.21 or 8421.29. Do not split into electronics + filter. |
| Importing Filters via De Minimis (e.g., $800) | β Blocked. All listed HS codes have deny_de_minimis. Must file formal entry. |
| Bulk Industrial Filter Cloth Rolls | May fall under 5911.90. Ensure itβs not "finished filter bags" which might have different sub-codes. |
| Parts Shipped with Machine | Declare as a single unit under 8421.21. Do not split parts to lower tax; itβs considered evasion. |
π V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Tariff (China Origin) | Notes |
|---|---|---|---|
| πΊπΈ USA | 8421.21.00.00 |
35.0% | High barrier due to Section 301 + IEEPA + 122. |
| π¨π³ China | 8421.21.00.00 |
~8-10% | Import duty + VAT. Lower than US. |
| πͺπΊ EU | 8421.21.00.00 |
0% (if GSP/FTA applicable) | Check origin rules. Many filters qualify for 0%. |
| π¬π§ UK | 8421.21.00.00 |
0-5% | Post-Brexit tariffs vary. Generally favorable. |
| π―π΅ Japan | 8421.21.00.00 |
0% (if EPA applicable) | JPEPA may offer duty-free access. |
π Conclusion: - USA is the most expensive market for Chinese water filters due to the layered tariff structure (301+IEEPA+122). - EU/UK/Japan offer significantly lower or zero tariffs, making diversification of supply chain crucial for US-bound goods.
π VI. Common Mistakes & Pitfall Guide (Lessons Learned)
β Mistake 1: Declaring a whole filter system as "Parts" to avoid 35% tax. π Result: Customs examiners will reject the declaration. Penalty + Back Tax.
β Mistake 2: Misidentifying a plastic cartridge as a textile bag (5911) to get 38.8% vs 35%?
π Wait! Actually, 5911 is 38.8%, which is HIGHER than 8421 (35%). So, misclassifying a plastic cartridge as textile to "save" tax is wrong on two counts: itβs incorrect material, and the tax is actually higher!
π Correction: Always declare accurately based on material. If itβs plastic/metal β 8421. If itβs cloth β 5911.
β Mistake 3: Ignoring IEEPA 10% and Section 122 10%. π Result: Only budgeting for 25% (Section 301). You are short by 20% in cost estimation.
β Mistake 4: Sending filters under De Minimis ($800 threshold). π Result: Package seized or returned. All these HS codes are explicitly excluded from de minimis.
β Correct Declaration Example:
"Water Purification Machine, Model WF-2000, Under-Sink System, Includes Stainless Steel Housing, Sediment & Carbon Filters, 110V Pump. HS: 8421.21.00.00"
π― VII. Conclusion: Precision Saves Money!
π― Remember the Mantra:
πΉ "Machine is 8421 (35%), Cloth is 5911 (38.8%), Gas Parts are 8405 (35%). No De Minimis!"
πΉ "Base 0% is a trap. 35-38% is the real cost. Plan your margins accordingly."
π Pro Tip:
If you are importing filter cartridges in bulk, consider pre-clearance rulings to confirm whether your specific material (e.g., spun polypropylene vs. woven mesh) is classified as 5911 or 8421. A wrong classification can cost you 3.8% more per unit!
π£ Take Action:
π Contact your customs broker with material specs and usage diagrams.
π Avoid surprise taxes. Ensure smooth clearance. Maximize your profit.
β¨ Professional clearance starts with accurate classification!
πΌ Your bottom line depends on these 2-3 percentage points.
Customer Reviews
About HS Code Classification
The Harmonized System (HS) is an internationally standardized nomenclature developed by the World Customs Organization (WCO) to classify traded products. Over 200 countries use the HS system as the basis for customs tariffs, trade statistics, and import/export regulations.
Each HS code follows a hierarchical structure:
- Chapter (2 digits) β Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) β More specific grouping within the chapter
- Subheading (6 digits) β Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) β Country-specific extensions for further classification, such as US HTSUS 10-digit codes
Correct HS code classification is essential for smooth customs clearance, accurate duty payment, and compliance with trade regulations. Misclassification can lead to customs delays, overpayment of duties, or penalties.
When importing from CN to US, the applicable tariff rates may include:
- Most-Favored-Nation (MFN) rate β The standard duty rate applied to WTO members
- General rate β Applied to countries without trade agreements
- Trade remedy duties β Additional tariffs such as Section 301 (anti-dumping), Section 232 (national security), or countervailing duties
The information provided on this page is for reference purposes only. For official classification, please consult with your local customs authority or a licensed customs broker.