SlimTubes HE: HE SlimTubes have a 'male' screw fitting into the hearing aid. They are marked at the dome end with a number indicating the size in red (for right) or blue (for left).
These domes and tubes are for use with the Phonak range of micro BTE hearing aids, which include:-
Bolero Q M312 / Bolero Q M13 / Baseo Q15 / Ambra / Solana / Cassia / Dalia (Petite, Micro M & M H2O models only). Also compatible with Phonak Roger Focus.
(Identification hints. SlimTube II are different to SlimTubes which screw onto the hearing with a 'female' thread. Fit'n'Go Micro tubes are marked with a number and a letter and have a push fitting. Power Slimtubes & PowerSlimTubes II are only used with custom earmoulds.)