A2-MD Home » Products » Specification Drainage Products » Parts » A2-MD MIFAB® A2-MD lacquered cast iron, self locking, large cast iron roof dome strainer with a free area of 125 square inches. Specification Sheet Catalog Catalog List Pricing Current Catalog: MPB-2022 Downloads Downloads Features & Benefits Typical Installations Outlet Selection Guide All Star Cover Flyer Drain Specifications Videos Videos Top Set Drain Demonstration All-Star Drain Video Return to Products