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.This Dual Handle Shower Control Features a Delta Monitor 17 Series Cartridge with a 6.98 GPM flow rate at 80 PSI. This Delta Shower System has been expertly optimized for this water output and will have good water pressure even at 60 PSI. It features a separate Temperature and Volume Control Handle.The 3-Setting Diverter features 2 individual positions and 1 Shared position, allowing you to turn on each shower system spray individually or both together.The Diverter Valve sits in between your main shower mixing valve and your peripheral shower system sprays. The Diverter sends water to the different shower sprays.