Shape, finish, and texture harmonize for a bold whisper of traditional beauty with Berea. The perfect companion for modern elegance;This trim can be used as a volume control (with rough VC-RGH), a two-way diverter (with rough DIV-RGH) or a three-way diverter (with rough 3DV-RGH);Volume control controls on/off and volume functions for a single component in a shower system;Diverters alternate water flow between two or three water outlets;Required roughs feature Fluhs quarter-turn ceramic disc volume control cartridge or Kerox diverter cartridge;Required rough (sold separately):;Volume control VC-RGH;Two-way diverter DIV-RGH;Three-way diverter 3DV-RGH