5 Cell Plates 166mm long. Includes Cap, O'ring & Brass Terminals. No Modifications - fits straight onto your unit. Outputs 16gms of Chlorine per hour. Solid plate is easier to clean.
The calcium just falls off. Of the time compared to mesh cathode.
In a cathode they last longer (as they have up to 3 times more material than mesh). There is no problem with using them in place of a mesh cell.
The cell will be replaced in the first 2 years if any manufacture defects are visible.