Quote Originally Posted by tim_walls View Post
FP100C (ISO100 colour), FP100B (ISO100 B&W) and FP3000B (ISO3000 B&W) are available in 3.25x4.25" packs, suitable for medium-format Polaroid backs. (I use it in the Polaroid back for my Mamiya RB67.)
Tim, that's all I needed to hear, thanks! -- Terry