Unitron Tempest Moisture Protection Vent from China
Hydrophobic vent filter for Unitron Tempest hearing aids preventing cerumen and moisture ingress. Classified 9021.90.4040 as protective accessory integral to hearing disability compensation devices.
Duty Rate — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include IP57 waterproof test results; specify micron pore size for function proof; declare as kit component if sold with domes