Each Battery 7.9mm x 3.6mm.
Rayovac Size 312 PR41 DA312 ZA/PR312 Zinc Hearing Aid Batteries Brown 30/60 pack
40 RAYOVAC Crystal Clear Hearing Aid Batteries ( 5 Packs) Size 312 PR41~BBD 2028
8 RAYOVAC Crystal Clear Hearing Aid Batteries ( 1 Pack ) Size 312 PR41~ BBD 2027
22 RAYOVAC Crystal Clear Hearing Aid Batteries Size 312 PR41
16 RAYOVAC Crystal Clear Hearing Aid Batteries (2 Packs) Size 312 PR41~BB 2028/9
