Diamond Flow Series cartridges combine the effective chlorine taste & odor reduction found in traditional Pentek carbon blocks with superior sediment reduction to resist premature plugging. These dual cartridges are well-suited for a wide range of applications. High dirt-holding capacity maximizes utilization of the carbon block Chlorine taste and odor reduction with superior sediment reduction Ideal for POU applications For use with both well and city water Available in 5 to 10 micron ratings