The CUNO Water Factory Faucet MATE filter features high absorption activated carbon block with fibrous, graded-density structure. The CUNO Water Factory Faucet MATE reduces lead from drinking water supplies. The CUNO Water Factory Faucet MATE is effective as a cyst reducing cartridge. The Faucet MATE filter should be replaced every 1500 gallons of life. Provides a high flow stream of drinking water through unique radial flow cartridge design. Radial Flow design offers the benefits of granular activated carbon (GAC) filtration, such as low pressure drop, while at the same time significantly reducing the release of carbon fines commonly associated with granular activated carbon style cartridges. Rated for cyst, lead, chlorine taste and odor, and particulate reduction.