Zephyr by Dry & Store is an electrical appliance for nightly use at home to store and care for all types of Hearing instruments, including hearing aids, cochlear implant hardware, noise/tinnitus maskers, and ear monitors. Utilizing the same principles as clothes drying on the line. Zephyr gently circulates warm, dry air around your hearing aids. Then the specially formulated Dry Brik desiccant captures the moisture. So it’s gone completely. BRAND NEW.