Automatic Developing Solution, Fixer and Developer, Gallon Set, 4/Pk, XR330

This gallon set provides pre-mixed developer and fixer solutions for automatic roller-type x-ray processors. The developer solution is used to develop x-ray films, while the fixer solution fixes the finished and rinsed screen films by exposing silver crystals, generating high-quality and sharp images. The set includes two 1-gallon bottles of developer and two 1-gallon bottles of fixer, offering a convenient and economical solution for darkroom processing.