Description:
Designed specifically for SDS (Sound Delivery System) 4.0 hearing aid receivers.
Compatible with Phonak Marvel, and Paradise RIC (Receiver-In-Canal) hearing aids
Each disk includes 8 wax filters
Each filter has 2 openings; opening 1 (meant for depositing used filter) and opening 2 (new/replacement filter)
The new filters inside the disk are protected from dust and dirt. The new and old remain separated to avoid a mix up.