The Deionising Resin Filter Cartridge (10" x 2.5") is an essential component of any reverse osmosis water filtration system designed for autoclaves. This cartridge is specifically designed to remove all dissolved solids, minerals, and ions from the water, ensuring a total dissolved solids (TDS) of 0. This is required for autoclaves to function efficiently and effectively.  With the Deionising Resin Filter Cartridge, you can be confident that your autoclave will continue to operate at optimal performance levels.