Quarter Turn 3 Way Valve 1/2-Inch FIP by 3/8-Inch OD by 3/8-Inch OD Dual Handle, Lead-Free The Keeney Manufacturing mpany features a mplete line of quarter turn valves (stops). Keeney’ quarter turn stops feature brass ste, PTFE seats to ensure long lasting seize free function, brass forged CNC machined bodies, and O-rings designed for