Delta Other Cartridge Assembly - 3-Setting Diverter - Non-Shared2 Setting Non Shared Diverter Cartridge allows multiple features to be selected, when used with the Delta diverter rough plumber for two features. Either of the two features may be turned on individually. For example, select from shower head or hand shower. The non shared diverter is required in some regions to replace the standard 3 Setting Shared Diverter Cartridge RP51918. Available as an optional part. Features: 2 Setting Non Shared Diverter