WILKINS 950xlt2 1" 1" top entry double check valve assembly consisting of two independently operated, spring-loaded center guided check valves. Complete with two full port resilient seated ball valves for shut-off and four resilient seated ball valve test cocks. Bronze body construction. Low Lead model meets California AB1953 & Vermont Senate Bill S.0152 950xlt2100$126.00 950XLTSH-1 1" DOUBLE CHECK BACKFLOW ASSEMBLY WITH STAINLESS HANDLE OPTION. MFG. WILKINS 950xl9501$214.00