Q-Gard Boron Purification Cartridge for the removal of boron traces, 0.1um pore size. Milli-Q® systems offer a unique combination of optimized water purification and monitoring technologies. The selection of the proper ultrapure water system for your laboratory will depend on several parameters such as: feed water available, daily volume needs, monitoring requirements, certification levels expected and any other specific requirements you may have. Purification cartridges play a core role in the water purification process as their objective is to remove key contaminants. To gain optimal performance, R&D expertise, design and development is required. Each consumable has been validated to warrant its quality. Our unique manufacturing site based in Molsheim, France produces all its products according to strict Quality Assurance procedures. Each product is marked with a Merck Millipore label, authenticating its quality and origin.