Pumice Stones for Pool Filter Media from Japan
Lightweight pumice stones sized for swimming pool and spa filtration systems. Classified under HTS 2513.10.0080 as other pumice stone natural abrasives. High surface area traps particulates effectively.
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
• Certify uniformity and absence of fines for backwash performance
• NSF/ANSI Standard 50 certification may be required for pool applications
• Bulk density testing prevents misclassification as lightweight aggregates