The GN ReSound Surefit 3 medium Open Domes x 10 are high-quality replacement domes designed specifically for Resound hearing aids. Made by the trusted brand GN ReSound, these domes come in medium size and are ideal for daily use. With a unit quantity of 10, you can easily replace worn-out domes and ensure optimal performance of your hearing aid. These domes are designed to provide a snug and comfortable fit, allowing for clear and enhanced sound quality during conversations and everyday activities.