Home / Backflow Assemblies / Febco Backflow Assemblies / 10 IN / DCFilter your Results Assembly TypeAll LF850DCFind PartsClear FiltersSKU: F 850LFOSY10FEBCO 10" LF850 DC BACKFLOW ASSEMBLY W/ OS&Y GATE VALVES (LEAD FREE)$30,180.40Add to CartSign In for Contractor Price