Signature Hardware 948890-LV Greyfield Pressure Balanced Valve Trim Only - Less Rough-In Valve Thanks to its straightforward and uncomplicated design, the Greyfield Pressure Balanced Shower Valve fits nicely into any type of bathroom. The metal fixture features a sleek single handle and is available in an array of finishes to add no-fuss character to your space. Pressure balancing functionality works to ensure that your water pressure and temperature remains steady while you bathe.