Skip to content

Classification

April 2025 — Question 38

What is the CLASSIFICATION of the activated charcoal derived from coconut husks for use in a water filtration carbon filter?

CBP's cited authority

§ HTSUS Chapter 44§ Note 1(d)§ HTSUS 3802.10.0020

Answer and citations as published in CBP's official answer key for the April 2025 examination.

Reading answers is easy. The exam is 80 of these in 4.5 hours.

Pass rates run 12–30%. Find out in 15 minutes whether you'd clear the 75% line today — free, no signup.