CMP Replacement Salt Cell for 40K PoolsThe CMP 52000 240 110 is a replacement salt chlorine generator cell (size 540) used to convert salt into chlorine inside the cell housing as pool water flows through your salt system. Its rated for pools up to 40,000 gallons and replaces the cell assembly when the original plates wear out. This replacement cell fits CMP PowerClean Ultra 540 and PowerClean Econ 540 systems, and is also compatible with SGS Breeze 540 and SGS Wave 540 units. It is