500-Gallon HDPE Septic Tank

A high-density polyethylene septic tank with 500-gallon (approx. 1893 liter) capacity for residential wastewater treatment. Classified under HTS 3925.10.00.00 due to its large volume and plastic construction as builders' ware. Includes inlet/outlet fittings and structural ribs for underground installation.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.3%+35.0%41.3%
🇲🇽Mexico6.3%+10.0%16.3%
🇨🇦Canada6.3%+10.0%16.3%
🇩🇪Germany6.3%+10.0%16.3%
🇯🇵Japan6.3%+10.0%16.3%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3925.90.00Lower: 40.3% vs 41.3%

If for smaller residential septic tanks under 300L

Capacity threshold determines subheading in 3925

3922.10.00Lower: 23.8% vs 41.3%

If sold as baths or shower trays rather than full septic systems

Shower/bath units fall under plastic sanitary ware

8708.29Lower: 27.5% vs 41.3%

If imported as part of vehicle chassis assemblies

Vehicle fuel/water tanks classify under Chapter 87

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Provide structural engineering certifications proving suitability for underground use and pressure resistance

Comply with local plumbing codes; include installation manuals in import documentation

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