Nanofiltration Water Treatment System from Japan
Nanofiltration membrane system removing divalent ions, organics, and color while retaining beneficial minerals from water. Classified under HTS 8421.21.00.00 for specialized water purification.
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
• Specify molecular weight cutoff (200-1000 Da) and flux rates
• Document softening vs
• RO performance differences
• Include anti-fouling membrane treatment specifications