Connevans supply size 675 (blue tabbed) zinc air hearing aid batteries from a range of brands - Rayovac, PowerOne, Duracell, Phonak & Signia. Individual packs of 6 or boxes of 10 packs of 6 batteries.
Please note: the image above is for illustration purposes only and shows the different sized tabs from the different manufacturers. Someone with limited dexterity for instance, may prefer the EasyTab option.
Size 675 battery equivalents: PR44, 675, A675, 675AU, 675HPX, B6754, B900PA, DA675H, DA675, 675HP, AC675E, AC675, ME9Z, CP44PR44, 675AE, L675ZA, 675AE, 675A, H675AE, ZA675, 675SA, S675A, 675AP, V675AT, W675ZA. 675MF, 675DS, PR675H