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.
- 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.