Online Filter
CN â 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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ð Online Filter (æķēä―ææ°ä―åĻįšŋčŋæŧĪčŪūåĪ)
ð HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
Online Filters are critical components in industrial, automotive, and commercial systems, designed to remove contaminants from fluids (liquids) or gases while they are actively flowing through a system. In international trade, these products fall under Chapter 84 (Machinery and Mechanical Appliances) or Chapter 59 (Textiles) depending on their construction and specific application.
â ïļ Key Distinction:
- If the device is a mechanical machine/unit designed for filtering/purifying water, oil, or air â Chapter 84.
- If the item is a textile fabric/cloth used within an oil press or similar machine â Chapter 59.
- The term "Online" implies continuous flow filtration, distinguishing it from batch or offline filters.
ðĶ HS Code Classification Details (2026 Latest Tariff Authority)
Based on the provided data, the following HS Codes apply to Online Filter products:
| HS Code | Product Description | Tax Rate | Key Components/Applications |
|---|---|---|---|
8421.21.00.00 |
Liquid or Gas Filtration/ Purification Apparatus for Water | 35.0% | Water purification systems, online water filters for HVAC/plumbing, industrial water treatment units. |
8421.29.00.65 |
Other Machines and Apparatus for Filtering or Purifying | 35.0% | General industrial filters for oils, chemicals, or other liquids/gases NOT specifically for water. |
8421.39.01.90 |
Other Gas Filtration Apparatus | 35.0% | Air filters, gas purification units, HVAC filters, industrial exhaust gas cleaners. |
5911.40.01.00 |
Filter Cloth for Oil Presses or Similar Machines | 43.0% | Textile filter media/cloths specifically used in hydraulic presses, oil extraction machinery. |
5911.90.00.80 |
Other Textile Products for Industrial/Technical Use (e.g., Filter Cloth) | 38.8% | General industrial filter fabrics, cartridge filter materials, technical textiles used in filtration. |
ð Critical Note:
- Products8421.21,8421.29, and8421.39are machines/devices (Hard goods).
- Products5911.40and5911.90are textile materials (Soft goods/Fabrics).
- Misclassification between Chapter 84 and 59 can lead to significant duty discrepancies and customs delays.
ð° 2026 Detailed Tariff Breakdown (Including Surcharges)
â Applicable Country: United States (US)
â Origin: China (CN)
â Effective Date: Current rates apply for imports from China.
ðŊ 1. Machinery & Apparatus Filters (Ch. 84)
Applies to: 8421.21.00.00, 8421.29.00.65, 8421.39.01.90
| Item | Detail |
|---|---|
| Base Duty Rate | 0.0% (Most machinery for filtration has 0% base MFN rate) |
| Section 301 Surcharge | +25.0% (Additional duty under Section 301) |
| Section 122 Duty | +10.0% (Additional duty under Section 122) |
| Total Effective Rate | 35.0% |
| Calculation | CIF Value à 35% |
| De Minimis Eligibility | â No (Not eligible for $800 de minimis exemption) |
| Legal Basis Path | USITC:8421.21.00.00 â FOOTNOTE:301 â FOOTNOTE:122 |
ð Explanation:
- Although the base tariff is 0%, the 25% Section 301 tariff is standard for Chinese machinery.
- The 10% Section 122 tariff adds an additional layer of cost.
- Total: 35%. This is a high-cost category for importers. Accurate classification as "machinery" rather than "parts" is vital.
ðŊ 2. Textile Filter Materials (Ch. 59)
Applies to: 5911.40.01.00, 5911.90.00.80
A. 5911.40.01.00 â Filter Cloth for Oil Presses
| Item | Detail |
|---|---|
| Base Duty Rate | 8.0% |
| Section 301 Surcharge | +25.0% |
| Section 122 Duty | +10.0% |
| Total Effective Rate | 43.0% |
| Calculation | CIF Value à 43% |
| De Minimis Eligibility | â No |
| Legal Basis Path | USITC:5911.40.01.00 â FOOTNOTE:301 â FOOTNOTE:122 |
B. 5911.90.00.80 â Other Industrial Textile Filters
| Item | Detail |
|---|---|
| Base Duty Rate | 3.8% |
| Section 301 Surcharge | +25.0% |
| Section 122 Duty | +10.0% |
| Total Effective Rate | 38.8% |
| Calculation | CIF Value à 38.8% |
| De Minimis Eligibility | â No |
| Legal Basis Path | USITC:5911.90.00.80 â FOOTNOTE:301 â FOOTNOTE:122 |
ð Explanation:
- Textile filters have a non-zero base rate, making the total burden even higher for some items (up to 43%).
- Section 301 and Section 122 still apply fully.
- Importers must distinguish between finished filter cloths (Ch. 59) and finished filter units (Ch. 84).
ð ïļ Customs Clearance Practical Advice (Real-World Pitfall Guide)
â 1. Preparation Checklist (Mandatory)
| Document | Required? | Description |
|---|---|---|
| â Product Specification Sheet | âïļ | Must detail: Flow rate, filtration micron size, media material (fabric vs. mechanical), pressure rating. |
| â Technical Drawings / Schematics | âïļ | Crucial to prove if it is a machine (Ch. 84) or textile (Ch. 59). |
| â Product Photos (Labeled) | âïļ | Clear view of model number, brand, and material type. |
| â Commercial Invoice | âïļ | Must explicitly state: "Online Water Filter System" or "Industrial Filter Cloth". Avoid vague terms like "Filter". |
| â Packing List | âïļ | Show if filter elements (spare parts) are included. Note: Spare parts may have different rates. |
â 2. Classification Strategy (Key Mantra)
ðĨ "Hard Machine to Ch.84, Soft Cloth to Ch.59. Name it Right, Duty is Lighter (or at least Correct)!"
| Scenario | Correct HS Code | Incorrect Classification | Consequence |
|---|---|---|---|
| Complete Online Water Filter Unit (with housing, valves, pipes) | 8421.21.00.00 (35%) |
Misclassified as "Textile Filter" (5911.90) |
3.8% vs 35% â Massive Audit Risk + Back Dues |
| Replacement Filter Cartridge (Plastic/Metal housing only) | Likely 8421.29.00.65 (35%) |
Misclassified as "Part" (8421.90) |
Parts often have lower duties, but if it's a standalone apparatus, it's 35%. |
| Roll of Filter Cloth (for oil press) | 5911.40.01.00 (43%) |
Misclassified as "General Fabric" (5911.90) |
43% vs 38.8% â Overpaying duties unnecessarily. |
| HEPA Air Filter Cartridge (for HVAC) | 8421.39.01.90 (35%) |
Misclassified as "Apparel Part" | 35% vs potentially lower â Severe penalties. |
â 3. Special Cases & Mitigation
| Situation | Handling Advice |
|---|---|
| Filter Elements (Spare Parts) | If selling replacement cartridges, ensure they are classified as "Parts" if possible, but many are considered "Machines" if they perform the core function. Check if 8421.90 applies (not in current data, but generally lower). Stick to provided data: 35% for main units. |
| OEM Custom Filters | Provide the end-user application (e.g., "For Use in Medical Sterilization") to support specific Ch. 84 codes. |
| Mixed Shipments | If a shipment contains both Filter Units and Filter Cloths, declare them separately. Do not bundle under one HS code to avoid customs hold. |
| Section 122 Compliance | Ensure origin documentation is robust. Section 122 tariffs are strictly enforced for Chinese goods. |
ð Global Market Comparison (2026 Snapshot)
| Country/Region | Recommended HS Code | Duty Rate (China Origin) | Key Certifications | Notes |
|---|---|---|---|---|
| ðšðļ USA | 8421.21.00.00 / 5911.40.01.00 |
35% - 43% | FDA (if water contact), NSF, CE | Highest cost due to 301+122 tariffs. |
| ðĻðģ China | 8421.21.00.00 |
5% - 8% | CCC, ISO | Low import duty, no surcharges. |
| ðŠðš EU | 8421.21.00.00 |
0% - 4% | CE, REACH | No Section 301/122 equivalent. |
| ðĻðĶ Canada | 8421.21.00.00 |
0% | CSA | Favorable trade agreement potential. |
ð Conclusion:
- US Market is the most expensive for Online Filters due to layered surcharges.
- European and Canadian markets offer significantly lower entry barriers.
- For US imports, cost modeling must include 35-43% duty in the FOB price calculation.
ð Common Errors & Pitfalls (Lessons Learned)
â Error 1: Labeling a Mechanical Filter Unit as "Filter Cloth" to save tax.
ð Result: Customs inspection reveals mechanical parts â Penalty + Retroactive Duty + 25% Surcharge Interest.
â Error 2: Labeling Filter Cloth as "General Textile" without specifying industrial use.
ð Result: Incorrect subheading â Audit risk. Use 5911 series explicitly.
â Error 3: Ignoring Section 122 in cost sheets.
ð Result: Budget shortfall. The 10% is on top of 25%. Total 35-43% is mandatory.
â Correct Declaration Example:
"Online Water Filtration System, Model XF-200, Includes Housing, Valves, and Cartridges. For Industrial Use. HS: 8421.21.00.00"
ðŊ Conclusion: Precision Classification Saves Money!
ðŊ Remember the Mantra:
ðđ "Ch. 84 for Machines (35%), Ch. 59 for Textiles (38-43%). Don't Guess, Get it Right!"
ðđ "301 + 122 = High Cost. Plan Your Pricing Accordingly!"
ð Pro Tip:
If your products are originating from Vietnam, Malaysia, or Thailand, you may be eligible to avoid Section 301/122 tariffs.
â
Action: Apply for Advance Ruling (US CBP) before shipment to confirm HS Code and duty liability.
ðĢ Immediate Action:
ð Contact a Licensed Customs Broker
ð Submit Product Technical Sheets
ð Optimize Supply Chain to Mitigate 35-43% Duty Burden
âĻ Professional Clearance Starts with Accurate Classification!
ðž Every Percentage Point Saved is Pure Profit!
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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) â Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) â More specific grouping within the chapter
- Subheading (6 digits) â Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) â 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 â The standard duty rate applied to WTO members
- General rate â Applied to countries without trade agreements
- Trade remedy duties â 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.