ReSound SureFit Depth B - 5-pack

SureFit with depth: B Right: 19403000 - -1B Right 19402700 - 0B Right 19402900 - 1B Right 19403200 - 2B Right 19403400 - 3B Right Left: 19403900 - -1A Left 19403600 - 0B Left 19403800 - 1B Left 19404100 - 2B Left 19404300 - 3B Left Available in 2 depths where A goes further into the ear canal. Red text for right ear, blue text for left ear. The tubes are available for the right and left ear and in each of five sizes from -1 to 3. Fits Resound LiNX3D, ReSound LiNX², Beltone Legend and Beltone Silk. Maintain good sound quality of your hearing aid by replacing the sound tube regularly. If the sound tube takes on a yellowish color or lost sound quality, it is time to replace the sound tube. 5 pieces per package.