Mustee 26W Double Basin Wall Mount Utility Sink 19 Gallon capacity per tub, extra deep 13-in tubs with smooth surfaces Produced with DURASTONE, a combination of fiberglass, stone, and special resins for durability Includes wall mounting bracket, side supports, and hardware for securing to concrete or stud wall Includes Twin-Drain Waste connector which joins drain assemblies; connects to 1-1/2-in P or S trap Divider wall between tubs is recessed one inch and self-draining back shelf features retainer curb