Replacement hearing aid tubes 4 / 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
Sizes:  12 Standard, 13 Standard, 13 Medium, 13 Thick
Product ID: 12 Standard ES 369, 13 Standard ES 371, 13 Medium ES 373, 13 Thick ES 375