Specification - MC-13 - Vertical, Adjustable, Water Closet Carrier with Side Inlets. MIFAB Series MC-13 single, vertical, adjustable, water closet carrier with lacquered cast iron fitting, left, right or both (specify) 4" (102) side inlets, 4" (102) no hub waste, 2" (51) no hub vent connection, lacquered cast iron gasketed adjustable faceplate, universal floor mounted foot supports, adjustable 8" tapered thread ABS nipple with integral test cap, neoprene bowl gasket, hardware, threaded rod protectors, polished chrome plated finishing cap nuts and rear anchor tie down support.