MIFAB® R1200-JD-STR Series lacquered cast iron large sump 15” diameter roof drain with anchor flange, large cast iron water proofing membrane clamp ring with four bolt pattern, integral gravel stop and standard self-locking cast iron dome strainer with a free area of 103 square inches. W/A8-BP-STR lacquered 18 gauge sump pan 30” x 30” and HS-8 hardware.