Unitron Tempest Moisture Protection Vent
A hydrophobic vent filter for Unitron Tempest hearing aids, preventing cerumen and moisture ingress. This protective accessory is integral to hearing disability compensation devices and is classified under 9021.90.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the vent is a general filtration component not specific to hearing aids
Parts of filtering or purifying machinery are classified in heading 84.21.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Declare the vent filter as a hearing aid accessory
• Provide documentation showing it is designed for Unitron Tempest hearing aids to avoid classification as a general filter
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