MIFAB® F1100-C-SD Series lacquered cast iron floor drain with anchor flange, cast iron membrane clamp ring with primary and secondary weepholes for waterproofing membrane, and standard reinforced, (”SD6”) square 6” x 6” (152 x 152) (specify material finish) strainer with solid hinged cover and secondary grate. (For non-membrane floors, use MIFAB F1100-SD Series.)