Note: The old shower valve must be removed and reset the pipes if install this shower kit, the item comes with its own valve, not compatible with other brand valve or cartridges Premium Quality: Rough-in valve and tub spout constructed of solid brass for durability and longevity, universal NPT 1/2" threads designed for use with standard U.S. And Canada plumbing connections Dual shower head Combo: Includes 9 Modes Shower Head and 10 Modes Handheld Showe, use shower head separately or both showerheads together, with variety of combination modes Classical 3-cross Handles: 3 handle design which easily adjusts the water temperature and flows with sleek operations, to change from the tub spout to shower head, just twist the middle knob Easy to Install: Comes with all needed accessories and instruction for your easy installation and saving costs! If you have any question with our shower system set, please feel free to contact us.