NEW Rayovac Mercury-Free Proline Advanced Size 312, Total of 96 Hearing Aid Batteries. Proline Advanced Mercury Free is the world's longest lasting hearing aid battery. Rayovac Proline Advanced Mercury Free delivers 30% more...

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NEW Rayovac Mercury-Free Proline Advanced Size 312, Total of 96 Hearing Aid Batteries. Proline Advanced Mercury Free is the world's longest lasting hearing aid battery. Rayovac Proline Advanced Mercury Free delivers 30% more battery life than other mercury-free hearing aid batteries. Rayovac Proline is environmentally friendly, with consistent power and performance that rivals mercury-containing products on the market today.

  • New Environmentally Friendly--Mercury Free
  • Total of 96 Premium Zinc Air Batteries
  • Compatible with all Size 312 and 312-A Hearing Aid Batteries
  • Guaranteed freshness with Date Coding. Up to 4 Year Shelf Life.
  • (2) 48 packs of Rayovac Mercury Free Proline Advanced Size 312 Hearing Aid Batteries, Total of 96 Batteries.

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