Photoresist-Developer-Electrolube-PDN250ML-Photoresist-Developer-Fast-Developing-Time-Long-Active-Life-Buffered-to-Give-Repeatable-Accurate-Images-250ml-of-the-Concentrate-Makes-1250ml-of-Working-Solution-High-Quality-Aqueous-Alkaline-Developer-use-in-Conjunction-with-Positive-Resist-Supplied-in-Bottle-of-250ml Electrolube-PDN250ML-Photoresist-Developer-250ml