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April 2025, question 38
Classification · Classification: GRIs, notes and headings
What is the CLASSIFICATION of the activated charcoal derived from coconut husks for use in a water filtration carbon filter?
- 2306.50.0000
- 3802.10.0020
- 4402.20.0000
- 8421.99.0140
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CBP's answer: B. B: 3802.10.0020
Chapter 44 Note 1(d) excludes activated charcoal and sends it to heading 3802. The coconut-derived activated carbon is 3802.10.0020, so wood charcoal heading 4402 and the filter parts heading 8421 do not apply.
Activated charcoal (heading 3802) Chapter 44, Note 1
Derived from coconut 3802.10.0020
Search for: Activated charcoal (heading 3802)
CBP's key cites: Chapter 44, Note 1; HTSUS 3802.10.0020
Question and key from CBP's April 2025 exam and answer key. The walk-through is ours; quotes are from the pinned editions in the reference viewer (HTSUS 2026 Basic, 19 CFR 2025 edition).