ITEM NAME:100cm BTE Hearing Aid Earmold Tube PVC Tube for Earmoulds DIY IEM Earphones lj.For earmoulds used with BTE (behind the ear) hearing aids and In-ear monitors, the quality of tubing is very important. Earmoulds need to be re-tubed regularly. Replace the earmould tubing as soon as it begins to harden.
