Paper Pulp Filter Block for Aquarium Systems
Blocks of compressed paper pulp for biological and mechanical filtration in home and commercial aquariums. Classified under HTS 4812.00.00.00 for paper pulp filter blocks.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If part of aquarium water purifying machinery
Integrated into pumps/filters under 8421.
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Import Tips & Compliance
• Certify non-toxic to fish per ASTM standards to avoid EPA scrutiny
• Detail biological activation properties if applicable
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