Based on this product's specifications, here are some alternatives and similar models
Distilled Water Alphacool 5 L (DIN 13060 / DIN 43530 / EN 285) for cooling systems and laboratory use
Summary description:
Alphacool distilled water, 5-liter container, produced to standards DIN 13060, DIN 43530 and EN 285. Intended for use in PC and industrial cooling loops, heat exchangers, and laboratory applications where low-mineral, high-purity water is required. Helps reduce scale and conductivity in closed-loop cooling systems and is suitable for mixing with approved coolants.