HydroAir "Hydroflow" 3-Way Valve Available in 2" and 1" sizes topside mounted easy to turn, allows for zoning to banks of jets and permits variable flow to different areas.Hole size for 2" valve is 3-3/16". Hole size for 1" valve is 2-1/16". Specs: Diverter Valve Complete - Top Mount Plumbing Connection Size Slip (s) - 1" Number of Ports - 3 Port Manufacturer - Balboa Water Group
