Miniature Copper Check Valve for RO Systems from Japan
Compact copper check valve (1/4 inch) for reverse osmosis water filtration units, preventing wastewater backflow into the membrane. HTS 8481.30.10 applies for its copper body and nonreturn role in small pipe systems. Common in home purification setups.
Duty Rate — Japan → United States
13%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Certify for food-grade contact if for drinking water; FDA compliance required
• Use precise dimensions in manifests for small package duty advantages
• Avoid grouping with filters; classify as valve to prevent Chapter 84 shifts