Phonak 4.0 Retention Locks (Marvel & Paradise)

Pack of 10 Phonak Marvel & Paradise retention locks. Simple but handy item to help keep hearing aids in place.

Fits Phonak Marvel & Paradise receiver wires, choose your size to match the power size of your receiver wire.

Available as a Standard, Medium & Power.

Compatibility:

Phonak Marvel & Paradise receivers 4.0

1 Pack includes:

10 x Sports Locks