Delta Shower System Package Includes All Required in wall Rough-in Valves. Delta Shower Systems are one of our best selling products but we know they can be a little tricky to set-up. There are many components that are required to build a Custom Shower System. We have included all the necessary Rough-in Valves and component pieces to make this package fully ready to install. Delta Lahara Collection Champagne Bronze Finish Thermostatic Shower Mixing Valve Handle. Large Ceiling Mount Rain Showerhead, Handheld Shower with Slidebar, and Dual Body Spray Plate. The 6-Setting Diverter features 3 individual positions and 3 Shared positions, allowing you to run any shower system spray individually or any combination of 2 you desire at the same time. This package is specifically designed to ensure adequate water pressure for all Shower System Sprays. This allows you to run each shower individually or in any combination of two you desire. This Dual Handle Shower Control Features a Delta’s highest flow rate Thermostatic 17T Cartridge with an 8.53 GPM flow rate at 80 PSI.