The Milli-Q® EQ 7008/16 Purification Cartridge kit includes: • IPAK Gard® cartridge protects the reverse osmosis (RO) membrane and optimize system performance by efficiently removing colloids, particles, free chlorine, and minerals from tap feed water. Comprised of activated carbon and a depth filter. • IPAK Meta ® and IPAK Quanta® cartridges remove trace ions and organic contaminants to produce superior quality ultrapure water. • The Tank Vent filter protects stored RO (Type 3) water from airborne contaminants. It includes activated carbon, soda lime, and a membrane filter to prevent impure air from entering the tank. For use with Milli-Q® EQ 7008/16 water systems. In addition, 63% of the parts suppliers for IPAK Gard® cartridge included in this kit are ISO 14001 environmental management system-certified.