Shower Control Valve Phoenix Products PF213324 2 Valve, Single Piece Wall Mount, Brass Compression Valve, 4" Center Distance, 2 Hole Application, 2 Clear Crystal Acrylic Knob Handle, Polished Chrome Plated, Brass Underbody, With Vacuum Breaker To Attach HShower Control Valve; 2 Valve; Single Piece Wall Mount; Brass Compression Valve; 4 Inch Center Distance; 2 Hole Application; 2 Clear Crystal Acrylic Knob Handle; Polished Chrome Plated; Brass Underbody; With Vacuum Breaker To Attach Hand Held Shower Hose; With Individual Box Dual handle plastic shower valve has a vacuum breaker to attach a handheld shower set and prevent backflow contamination of your clean water supply. 2 Hole installation.