For use with Widex FS (Fusion) type hearing aid models. Original product from Widex.
Widex EASYWEAR Instant Open Ear Tip Size LARGE for Hearing Aids.
【Reusable and Easy to Clean】Designed with detachable, washable parts and secure hook-and-loop connections. Breathable materials allow extended use while maintaining hygiene. Features an anti-backflow valve to prevent leaks, even when lying down.