Phonak Receiver M 4.0 New Multiple Sizes 0, 1, 2, 3 Right and Left.

Brand new genuine Phonak M (moderate power) receivers. I have multiple sizes and power levels. Small medium and large open domes and sports lock (whisker) included. These will fit Marvel, Paradise, and Lumity Phonak hearing aids as well as KS 10 and some Unitron models.