MIFAB® Series R1200-PR lacquered cast iron deep sump roof drain with 15" diameter anchor flange, large cast iron waterproofing membrane clamp ring with integral gravel stop, square adjustable collar and standard 12" (305) square hinged ductile iron tractor grate with 3/8" (9) maximum width drainage slots and a free area of 51 square inches.
R1200 PR