60 Rayovac Extra Advanced Size 312 PR41 Hearing Aid Batteries 1.45v Zinc Air 6bl
Other designations: 312, PR41, DA312. RAYOVAC® spent over 110 years thinking about batteries so you can think about them less. RAYOVAC EXTRA ADVANCED SIZE 312 HEARING AID BATTERIES 1.45V. 100% authentic, original Rayovac product.