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The Everpure SO-204 20" Water Softening Filter 4-Pack fits the following housings:
This Costguard softening filter measures 20" in length, and is an Everpure Costguard softening filter. The diameter of this SO-204 cartridge is 4 1/2".
The Everpure SO-204 20" Water Softening Filter 4-Pack specifications:
This Costguard softening filter has a flow rate of 2 GPM, and a softening capacity of 4,500 grains. The Everpure SO-204 comes 4 in a pack.