WIDEX 312 Batteries.
Widex Beige BTE Hearing Aids Pair for Both Ears with Case & Size 312 Batteries
BEVIGOR Size 312 Batteries, 60 High Capacity Mercury-Free Premium Batteries, 10
Hidden Hearing 312 batteries 5 pack -30 batteries
Hidden Hearing 312 batteries - 18 batteries
JJC Hearing Aid Case Storage for 12× size 312 Batteries Water-Resistant Portable
Rayovac 312 Batteries (Box of 60 Battery Cells)
