Interton Ready Cerustop Wax Guard
Cerustop wax filter discs for Interton Ready RIC hearing aids blocking earwax while preserving acoustics. Falls under 9021.90.4040 as replaceable parts for body-worn hearing compensation devices.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If disposable plastic filters
Generic wax guards classify as plastic articles outside medical specificity.
If glass fiber filter media
Glass wool products go to Chapter 70 imitations of Chapter 90 exclusions.
If oil/particle residential filters
Non-medical acoustic filters under general filtering machinery.
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Import Tips & Compliance
• Specify filter diameter and model compatibility; ensure 30+ dB attenuation specs; sell in audiologist packs for proper valuation
Related Products under HTS 9021.90.40.40
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Remote microphone clip-on transmitter for Hansaton hearing aids extending audio pickup range. HTS 9021.90.4040 as carried accessory compensating hearing defects via wireless audio relay.
Oticon Opn Volume Control Wheel
Tactile volume adjustment wheel for Oticon Opn BTE hearing aids providing manual gain control. Classified 9021.90.4040 as integral user interface part for disability compensation appliances.
Phonak Lyric Extended Wear Shell
Custom-molded shell for Phonak Lyric 24/7 deep canal hearing aids designed for 2-month wear. HTS 9021.90.4040 as implantable body-worn part per orthopedic appliance notes for defect compensation.
Widex Evoke Program Switch Button
Push-button program selector for Widex Evoke platform switching DSP modes on-the-fly. 9021.90.4040 as dedicated control accessory for carried hearing aids compensating disability.
ReSound ONE Custom In-the-Ear Shell
Patient-specific ITE shell for ReSound ONE hearing aids milled from acrylic for precise fit. HTS 9021.90.4040 per notes for parts principally used in orthopedic hearing appliances.
Oticon Hearing Aid Microphone Module
Replacement microphone assembly specifically designed for Oticon hearing aids, capturing and converting sound waves into electrical signals for amplification. Classified under HTS 9021.90.4040 as a dedicated part for hearing aids per Chapter 90 note on parts suitable solely for such appliances. Ensures clear audio input for users with hearing impairment.