Underbar Storage Cabinet 48"W x 18-9/16"D, 4" or 6"H backsplash with 1" return at top, pitched drainboard top with 1-1/2" NPS drain socket with 1/2" OD barb & 1/2" ID anti-microbial tubing, 1-1/2" NPS male drain center back of cabinet bottom, adjustable intermediate shelf, stainless steel construction, Perlick Quick Clamp stainless steel legs & adjustable feet, NSF Listed (replaces SC48-18)