Rayovac Proline Size 312 Hearing Aid Batteries, 48 Pack

  • Total of 48 Premium Zinc Air Batteries
  • Compatible with all Size 312 Hearing Aid Batteries
  • Up to 4 Year Shelf Life

These are the top of the line batteries from Rayovac, with up to a 4 year shelf life and guaranteed freshness. Rayovac Proline are only sold through Audiologists and Hearing Aid Dispensers.

According to Rayovac, Proline Advanced are the longest last


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