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M Retention Lock 4.0 (10 pieces)

M Retention Lock 4.0 (10 pieces)

$35.00 Retail Price: $57.00
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Retention locks for Phonak 4.0 Receivers used on Marvel and Paradise Audeo hearing aids. Retention Locks help the receiver stay in place and helps prevent the hearing aid from falling out. Retention locks lose there stiffness over time and it is ideal to change them periodically.

DESCRIPTIONReviews
Retention locks for Phonak 4.0 Receivers used on Marvel and Paradise Audeo hearing aids. Retention Locks help the receiver stay in place and helps prevent the hearing aid from falling out. Retention locks lose there stiffness over time and it