This cartridge contains KDF and granular activated carbon. KDF is claimed to treat heavy metals and also an anti-bacterial action. The cartridge also contains traditional carbon to make sure the chlorine it treated to an acceptable level.
5 Micron 
10"x2.5" (9 3/4" x 2.5") Which will fit a standard size 10" x 2.5" Housing
 
             
                   
                    
