Filter Anthracite Gravel from Mexico
Graded anthracite gravel (1-4mm) for multi-media water filters, low volatiles confirming HTS 2701.11.00.00 status. Not agglomerated; uniform density for backwashing efficiency. Meets AWWA B204 standards for municipal treatment.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Provide AWWA/NSF certification to support filtration end-use without reclassification
• Declare effective size and uniformity coefficient in technical specs
• Avoid 'activated' labeling which triggers chemical treatment headings