The Everpure ILMA-10.14 is a 10" in-line replacement cartridge designed for reverse osmosis systems. This cartridge enhances the quality of permeate water by adding essential minerals, ensuring a balanced and desirable taste. It is specifically compatible with OptiPure OP and OPS series reverse osmosis systems (model numbers 252-70255). Upgrade your water filtration system with the ILMA-10.14 for improved mineral content and overall water quality.