The MultiChoice® Universal rough works with any Brizo pressure balance or TempAssure® Thermostatic shower trim. Once it is installed, it is easy to update the shower experience or update its style at any time, without having to go behind the wall. The high-flow rough does not have a tub port, so it may only be used in shower-only applications. Brizo® Shower Rough-In Valve, 1/2 in MNPT Inlet Connection, 1/2 in FNPT C Outlet, For Use With: MultiChoice® Universal Single or Dual Function Trim, Thin Wall Mount, Forged Brass Body, Domestic