500-Gallon HDPE Septic Tank from Japan
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.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide structural engineering certifications proving suitability for underground use and pressure resistance
• Comply with local plumbing codes; include installation manuals in import documentation