Replacement Cartridges for the DIC-20 and DIW-20 and systems are the easiest way to replace resin.
The CR Spotless Replacement Cartridges are the almost effortless way to replace spent resin with fresh, new resin. Simply unscrew the housing and remove the exhausted cartridges. Simply put the new cartridges inside and reattach the housing to the main unit. Now you are ready to de-ionize another 300 gallons of water!
Your purchase includes two 20 inch replacement cartridges. These cartridges will fit either the DIC-20 High Output Rolling System or the DIW-20 Wall Mounted System.