Rayovac Mercury Free Proline Advanced Size 13 Hearing Aid Batteries, Total of 48 Batteries

NEW Environmentally Friendly Mercury Free Hearing Aid Batteries.
Total of 48 Premium Zinc Air Batteries – The Longest Lasting Batteries for Hearing Aids.
Compatible with all Size 13 and 13-A Hearing Aid Batteries.
Up to 4 Year Shelf Life
Original Rayovac Proline from USA – The Best in Hearing Aid Batteries.