MIFAB® F1640 Series diameter blood and water drain set consisting of two lacquered cast iron bodies with anchor flange and weepholes. One body furnished with a 9” (229) diameter lacquered cast iron adjustable top assembly and special duty ductile iron grate. The other body furnished with a solid gasketed ductile iron cover with lift ring. The top assemblies are interchangeable with either body. (For membrane floors, add Suffix -C for the membrane clamp.)