Unitron Tempest Moisture Protection Vent from Mexico
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.
Duty Rate — Mexico → Canada
0%
Import Tips
• 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