Features 1、Effectively Sound Transmission: Our hearing aid earmold tube can effectively transmit sound, suitable for most hearing aids, you can buy it with confidence. 2、Improved Comfort: BTE hearing aids can become uncomfortable as the ear tube gradually hardens, so they need to be replaced to increase your comfort while wearing them. 3、PVC Material: Hearing aid tube is made of high quality PVC material which is not easy to harden and very durable for soft ear molds. 4、Size: Transparent hearing aid tube has an outer diameter of 3 mm, an inner diameter of 2 mm and a total length of 10 meters. Detailed size information facilitates your purchase. 5、Easy to Replace: No need to go to a hearing aid specialist to replace the tube, you can easily replace it at home, saving time and money for your convenience. Specification Item Type: Earmold Hearing Aid Tubing Material: PVC Inner Diameter: Approx. 2mm / 0.08in Outer Diameter: Appprox. 3mm / 0.12in Length: Approx.10m / 32.8ft Package List 1 x Earmold Hearing Aid Tubing