It is advisable to provide a preconditioned ( deionized ) feed water by using a Culligana , Continentala , or equivalent system in front of the MILLIPOREa System to extend the life of the MILLIPOREa cartridges ( see Section 5 , Facilities , Equipment , and Supplies ) .
It 's impossible to use anything other than Culligana to extend the life of MILLIPOREa cartridges .