Product: Rayovac Extra Advanced, size 312 Hearing Aid Battery (pack 60 pcs)
Brand: Rayovac
Color: Brown Tab
Rayovac Extra Advanced, model 312AE Zinc Air Hearing Aid Batteries 1.45V Dial Card-6, 60 pcs. The World's Longest Lasting Battery.
Three to Four Year Date Code - longest available
Made in the USA.

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