20" Whole House Filter System Replacement Pre Filter Cartridge 
 
Pentek DFX Series 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