Fish Tank Filter
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 8421210000 | 35.0% | CN | US | Official Doc |
| 8421290065 | 35.0% | CN | US | Official Doc |
| 5911400100 | 43.0% | CN | US | Official Doc |
| 5911900080 | 38.8% | CN | US | Official Doc |
| 8421390190 | 35.0% | CN | US | Official Doc |
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AI Analysis
π Fish Tank Filter (Aquarium Filtration Systems)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Customs Strategy
π I. Product Definition and Classification: Do You Truly Understand "Fish Tank Filters"?
A Fish Tank Filter is an essential device in aquaculture and home aquariums, designed to remove mechanical debris, chemical contaminants, and biological waste from water to maintain a healthy aquatic environment. In international trade, these are classified based on their specific function (water vs. gas) and construction materials.
β οΈ Key Distinction Points:
- Liquid/Gas Filtering Equipment (Machinery): Devices like pump-driven canister filters, hang-on-back filters, or under-gravel pumps are classified under Chapter 84 as machinery.
- Textile Filters (Materials): If the product is only the filter media (cloth, mesh, or pad) without the mechanical housing or motor, it falls under Chapter 59 as textile articles.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
| HS Code | Product Description | Applicable Scenario | Tax Rate Details |
|---|---|---|---|
8421.21.00.00 |
Liquid or gas filtering/purifying machinery for water | Canister filters, internal mechanical filters, pump systems | Total: 35.0% |
8421.29.00.65 |
Other filtering/purifying machines and apparatus | Complex multi-stage filtration systems, UV sterilizers combined with filtration | Total: 35.0% |
5911.40.01.00 |
Filtering cloth for oil presses or similar machinery | Filter pads/cloths specifically for hydraulic presses (rare for home aquariums, but possible in industrial aquaculture press systems) | Total: 43.0% |
5911.90.00.80 |
Other textile articles for industrial/technical use (e.g., filter cloths, pads) | Loose filter sponges, felt pads, cloth media bags (sold separately without housing) | Total: 38.8% |
8421.39.01.90 |
Other machinery for filtering/purifying gases | Air pumps with integrated scrubbers (if classified as gas purification, less common for standard fish tanks) | Total: 35.0% |
π Important Note:
- Mechanical Filters (with pumps/housings) β Chapter 84 (35% Total).
- Textile/Media Only (sponges/cloths) β Chapter 59 (38.8% - 43% Total).
- Do not mix mechanical filters with textile media in the same declaration unless they are clearly separate items, as this can trigger inspection delays.
π° III. 2026 Latest Tariff Rate Breakdown (Including Additional Taxes & Policy Add-ons)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: Ongoing (Post-2025 Policies)
π― 1. 8421.21.00.00 & 8421.29.00.65 & 8421.39.01.90 ββ Mechanical Filtration Equipment
| Item | Content |
|---|---|
| Base Duty Rate | 0.0% (Ad Valorem) |
| Section 301 Additional Duty | +25.0% (USITC Footnote related to Chinese imports) |
| Section 122 Duty | +10.0% (Additional levy on specific industrial goods) |
| Total Effective Rate | 35.0% |
| Tax Calculation | CIF Value Γ 35% |
| De Minimis Eligibility | β No (Most commercial shipments exceed $800 or are subject to scrutiny) |
| Legal Basis Path | USMCA/China Trade Rules β Section 301 β Section 122 β HS: 8421.xxxx |
π Explanation:
- These HS codes cover the machinery aspect of filtration.
- The 25% Section 301 tariff is the primary driver for cost increases on Chinese-made aquarium equipment.
- The 10% Section 122 tariff adds further burden, making the total effective rate 35%.
- Warning: Even if the base duty is 0%, the additional tariffs make the landed cost significantly higher.
π― 2. 5911.90.00.80 ββ Textile Filter Media (Sponges/Cloths)
| Item | Content |
|---|---|
| Base Duty Rate | 3.8% (Ad Valorem) |
| Section 301 Additional Duty | +25.0% |
| Section 122 Duty | +10.0% |
| Total Effective Rate | 38.8% |
| Tax Calculation | CIF Value Γ 38.8% |
| De Minimis Eligibility | β οΈ Check Thresholds (If shipped via postalε°ε , may be exempt under $800, but commercial bulk is not) |
| Legal Basis Path | HTSUS Chapter 59 β Section 301 β Section 122 |
π Explanation:
- Textile filters have a higher base duty (3.8%) than mechanical filters (0%).
- However, the total rate (38.8%) is only slightly higher than mechanical filters (35%) because the base difference is small.
- Strategic Tip: If you are exporting filter sponges alone, ensure they are properly described as "textile articles" and not "machinery parts" to avoid misclassification penalties.
π― 3. 5911.40.01.00 ββ Specialized Filtering Cloth (Industrial)
| Item | Content |
|---|---|
| Base Duty Rate | 8.0% |
| Section 301 Additional Duty | +25.0% |
| Section 122 Duty | +10.0% |
| Total Effective Rate | 43.0% |
| Tax Calculation | CIF Value Γ 43.0% |
| De Minimis Eligibility | β No |
π Explanation:
- This code is for filtering cloth for oil presses.
- Caution: Do not use this code for standard aquarium sponge filters unless they are specifically marketed and used for industrial oil filtration. Misclassification can lead to severe penalties.
π οΈ IV. Customs Clearance Practical Advice (Real-World Pitfall Avoidance Guide)
β 1. Documentation Checklist (Must-Have)
| Document | Required? | Description |
|---|---|---|
| β Product Specifications | βοΈ | Include type (internal, external, canister), flow rate, power consumption. |
| β Photos (Clear & Detailed) | βοΈ | Show the entire unit, labels, and any filter media inside. |
| β Commercial Invoice | βοΈ | Clearly state: "Aquarium Water Filter Pump" or "Textile Filter Sponge for Aquariums". |
| β Material Composition | βοΈ | For textile filters: % of polyester, nylon, etc. |
| β Origin Certificate | βοΈ | If applicable for any preferential treatments (rare for China-US currently). |
β 2. Declaration Tips (Key Mantras)
π₯ "Mechanical is 35%, Textile is 38.8%, Misclassification is 100% Penalty!"
| Scenario | Correct Declaration | Incorrect Practice |
|---|---|---|
| Canister Filter (with motor) | 8421.21.00.00 |
Declared as "Plastic Parts" β Risk of Rejection |
| Hang-On-Back Filter | 8421.21.00.00 |
Declared as "Toy" β Fraud Alert |
| Loose Filter Sponge | 5911.90.00.80 |
Declared as "Filter Machine" β Wrong Tax |
| Filter Cloth for Oil Press | 5911.40.01.00 |
Declared as "Household Textile" β 43% Tax vs. Lower Rate |
β 3. Special Handling Cases
| Situation | Recommendation |
|---|---|
| OEM Aquarium Filters | Provide customer order + design blueprint. Avoid "White Label" claims if not authorized. |
| Filter Media + Housing Sold Together | Declare as Whole Unit: If the housing is essential, declare as 8421.21.00.00 (35%). Do not split unless they are truly separate shipments. |
| Industrial vs. Home Use | If for home aquariums, use 8421.21.00.00. If for industrial water treatment, still 8421.29.00.65. Avoid 5911.40.01.00 unless it's for oil presses. |
| Shipment Value < $800 | May qualify for De Minimis Exemption (Section 321), but Section 301/122 tariffs may still apply depending on CBP enforcement. Check latest CBP rulings. |
π V. Global Market Comparison (2026 Latest)
| Country/Region | Recommended HS Code | Total Tax Rate (China Origin) | Certification Requirements | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 8421.21.00.00 |
35.0% | FCC (if electronic), CPC (if children's toy) | High tariffs due to Sec 301/122. |
| π¨π³ China | 8421.21.00.00 |
0% (MFN) | CCC (for pumps) | No additional tariffs for domestic trade. |
| πͺπΊ EU | 8421.21.00.00 |
0% - 4% (Duty) | CE, RoHS, WEEE | No Section 301/122. Lower overall cost. |
| π¬π§ UK | 8421.21.00.00 |
0% - 4% | UKCA | Post-Brexit rules apply. |
| π―π΅ Japan | 8421.21.00.00 |
0% - 2% | PSE (electrical) | JIS standards may apply. |
π Conclusion:
- USA is the most expensive market due to 35% total tariffs.
- EU/UK/Japan offer significantly lower tariff barriers.
- Consider supply chain diversification (e.g., Vietnam, Thailand) if targeting the US market to mitigate Section 301/122 risks.
π VI. Common Mistakes & Pitfall Guide (Blood & Tears Lessons)
β Mistake 1: Declaring a mechanical filter as "Plastic Toy"
π Consequence: Detention, Audit, and Potential Fraud Charges.
β Mistake 2: Declaring filter sponges as "General Household Textile"
π Consequence: Misclassification, higher duty (38.8% vs. potential lower rate if exempt), or rejection.
β Mistake 3: Ignoring Section 122 in tariff calculations
π Consequence: Underpayment of 10%, leading to back-taxes and penalties upon CBP audit.
β Mistake 4: Mixing industrial filter cloth (5911.40.01.00) with home aquarium media (5911.90.00.80) in one shipment without clear separation
π Consequence: Customs may audit the entire shipment, delaying clearance by weeks.
β Correct Practice:
"Canister Aquarium Filter, Electric, Model XYZ, Flow Rate: 500L/H, FCC Certified, Made in China"
"Aquarium Filter Sponge, Polyester Material, For Home Use, Not for Industrial Oil Press"
π― VII. Conclusion: Professional Declaration, Cost Optimization
π― Remember the Mantra:
πΉ "Mechanical = 35%, Textile = 38.8%, Misclassification = Disaster!"
πΉ "HS Code Determines Tax, Declaration Accuracy Saves Money!"
π Pro Tip:
- For US shipments, calculate the 35% landed cost into your pricing strategy.
- Consider pre-classification rulings from CBP if shipping large volumes to mitigate risk.
- Keep product photos and specs updated and accessible for customs brokers.
π£ Immediate Action:
π Consult a licensed customs broker + Provide product images + Apply for CBP Pre-Ruling if uncertain.
π Ensure your Fish Tank Filters clear customs smoothly, efficiently, and profitably!
β¨ Professional Customs Clearance Starts with Accurate Classification!
πΌ Every Penny of Cost Should Be Precisely Calculated!
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.