QUA FEDI®-Rx stacks for pharmaceutical application features hot water sanitization ability at temperature 80-85°C. These stacks have the ability to produce high purity water up to 16 MOhms.cm using a patented process with double sets of electrodes per stack. FEDI®-Rx stacks are available in three sizes (10X, 20X and 30X) and have application in pharmaceutical, biomedical and laboratory applications where hot water sanitization is required.