Compatible with: Interacoustics Affinity 2.0, Interacoustics Equinox 2.0, Interacoustics Callisto, Interacoustics VIOT, Interacoustics Affinity Compact, AudioScan Aurical, AudioScan Verifit 1, AudioScan Verifit 2 Dermoprotective gel for the ears of hearing aid users.