MIFAB® T1100 Series 6" wide, frame and grate system available in 20" long increments with a heavy duty angle iron frame assembly (1" x 1" x 1/4") for all grates to secure to and finished with an acid resistant powder epoxy coating. Each 20" long section has two 1" x 3" long anchor tabs / leveling devices for securing into the surrounding concrete. Complete with MIFAB's standard ductile iron grate (T1400-PG-4). Load Class E.