Specification - MI-SD - Sediment Drain Interceptor MIFAB Series MI-SD __ sanitary powder epoxy coated inside and outside fabricated 10 gauge steel sediment/drain interceptor. Unit shall include: visible deep seal trap, sewer gas stopper, internal air releif by-pass, 14 gauge slotted powder epoxy coated inlet grate, with slot size of 3/8" x 3" (9 x 75), and a removable sediment and mud pan.