Prevents Howling.
Phonak Replacement Ear Hook for Phonak Naída B30-UP/B30 SP BTE Hearing Amplifier
Replacement Ear Hook For Phonak Sky V 70 SP, Phonak Sky V30 SP BTE Hearing Aid
Replacement Ear Hook For Phonak Bolero M30-M /Phonak Bolero M90-M BTE
Replacement Ear Hook For Phonak Sky V 50 SP/ Phonak Sky™ Link M BTE Hearing Aid
FCS Replacement Ear Hook For Phonak Naida V30/V50/V70/V90 SP and UP Hearing Aid.
FCS Replacement Ear Hook for Phonak Sky M70-M/ M70-SP/ PR BTE Hearing Amplifier
