Rubber Ear Mold Buds for Acoustic Tubes, soft and flexible, come in left or right sides and three different sizes. Critical for audio performance and hygiene, replacement of Ear Mold and acoustic tube is necessary. Changing ear molds monthly can help avoid pathogens, bacteria, micro-organisms, and various forms of staph infections. Sharing of ear piece is not recommended. Medium size is most popular, but for size uncertainty, consider a Sample Ear Mold Kit that includes all three sizes and an acoustic tube.
