Rayovac Hearing Aid Batteries Size 312 for Advanced Hearing Aid Devices, 8 Count (Pack of 4) Uminyoo Do not wash them in

Do not wash them in Warm Water

AERATING WATEROxygenation is very important to your fish

Part Number: PP-ZA13-240

Pack include: Each Pack Includes 6 refill cartridges

And it’s pH balanced

Rayovac Hearing Aid Batteries Size 312 for Advanced Hearing Aid Devices, 8 Count (Pack of 4) Uminyoo Do not wash them inBrand: Rayovac Features: Size 312 Hearing Aid Battery Lasts Longer on ANSI & IEC Performance Tests. Reclosable Door & Long, Wide Tabs Make Using & Storing These Batteries Easy. Mercury Free Formula Proudly Produced in the USA with US & Global Parts. Binding: Electronics model number: 312 Details: Rayovac Size 312, Loud 'N Clear Hearing Aid Battery, Dial Pack Features Perforations To Tear This Package Down To A Portable, Compact Case With A Ratcheting