Paper Pulp Filter Block for Water Purification from Japan
A rigid block made from compressed paper pulp designed specifically for filtering impurities from drinking water in residential systems. It falls under HTS 4812.00.00.00 as it is a filter block explicitly made of paper pulp, meeting the heading's criteria for blocks, slabs, and plates used in filtration.
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
• Verify the product is made predominantly from paper pulp via lab testing, as customs may require fiber content certification to confirm classification under 4812
• Include detailed technical specs on porosity, density, and filtration efficiency in import documentation to avoid reclassification as generic paperboard