Delta T17051-SS Dryden Monitor 17 Series Valve Trim Only, Stainless Must purchase rough-in R10000-UNBX separately Maintains a balanced pressure of hot and cold water even when a valve is turned on or off elsewhere in the system 120 degree maximum handle rotation Pressure Balance control Available in Chrome, Aged Pewter, Brilliance(R) Stainless or Venetian Bronze(R) Solid brass forged body.