Serin Diverter Valve TrimWith its clean, modern style, less is more with the Serin collection. When installed with a two or three way in wall diverter valve (sold separately), this single handle diverter trim kit allows you to direct water to the shower head or body side sprays. Requires a separate on off volume control. Designed for use with the R420 or R430 diverter rough valve (sold separately). Controls water flow between 2 or 3 outlets (shower or sprays) Requires