Chloromatic Monarch Davey ESR 240 Generic Salt Cell Electrode.

This generic salt cell has a locking ring. The genuine cell has a one piece end section. Both will work in the original ESR housing.

The ESR 240 has 7 Plates - 166mm long.

In The Box: One Chloromatic Monarch Davey ESR 240 Generic Salt Cell Electrode, One O-ring/ gasket. 

Manufacturers warranty: two years domestic use, one year commercial use.