Replacement hearing aid tubes 12 / Pack
4" Preformed tubes with 3/4" quill for easy insertion
High quality tubing, Tygon® Formulation B-44-3
Flexible, tough tubing with high elasticity and tear strength
Product ID:  Size 12 Standard ES 368-12, 13 Standard  ES 370-12,                 13 Medium  ES 372-12, 13 Thick ES 374-12