Fits for Oticon Prowax wax filter (OEM parts 123367/121496) is designed for exclusive compatibility with Oticon Opn, Siya, and Jet Custom Ear Molds Hearing Aids, as well as older custom ear molds models including Agil, AgilPro, Epoq, INO, Acto, Acto Pro, INO Pro, Dual, Delta, Vigo, Vigo Pro, and any Oticon power receiver molds speaker 100 105db.
