Limestone Filter Media Stone from United States
Graded crushed limestone, 3-6 inches, used as filter media in water treatment plants. The limestone is crushed and graded, and the product is used for filtration, which is a similar use to aggregates. Classified under 2517.10.00 as crushed stone.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the limestone is not chemically treated or processed beyond crushing and grading
• Declare it as crushed stone for aggregate or similar uses
• Note that the product's use as filter media does not change its classification under 2517.10.00