Compatible with most BTE earmolds. For best hearing aid performance, BTE tubing is typically replaced every3–6 months to maintain comfort and sound quality. 25 × Size 13 Thick Double Bend BTE tubes. Size13 Thick Double Bend tubing.
NEW / UNUSED — Genuine Oaktree Size 13 Thick Double Bend BTE Tubes. These are genuine Oaktree Size 13 Thick Double Bend BTE hearing aid tubes designed for use with many behind-the-ear hearing aids and earmolds that useSize 13 thick tubing.