Pumice Stones for Pool Filter Media from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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