I would like to buy a right Moment 330 sRICRD MRR4D hearing aid

Used Moment Sheers are hard to find: it did not sell well and the differences between the sheer and non - sheer are minimal.

It will be easier to find a Moment 330. Here is one for $200

MOMENT MRR2D 330 HEARING AID FOR MILD TO SEVERE HEARING LOSSES. | eBay3

1-Unit of Widex MRR2D 330 digital hearing aid- Left ear + speaker wire receiver (1L) for left ear. IMPORTANT: This hearing aid is required programming by your hearing care professional with your prescribed hearing test prior to use.