The Elkay DRKAD252250R2 is a Top Mount Classroom Single Bowl Sink with the Quick Clip system for quick and convenient installation. This one bowl classroom sink features a Lustrous Highlighted Satin finish. It is constructed out of a high-quality, #18 gauge, type 304 nickel-bearing stainless steel ideal for heavy duty work and long-lasting performance. With a high tolerance against heat and excellent forming and welding characteristics, this sink is designed to sustain long term use. This Elkay DRKAD252250R2 Top Mount Classroom Sink is furnished with 2 faucet holes. At the front-right side of the sink, you will find a single slotted hole that allows for vandal-resistant bubbler installation. The other faucet hole is located at the back of the sink in line with the drain hole. The 3.5-inch drain hole is located at the center. This high-quality classroom sink is equipped with a sound guard coating on the underside to help minimize noise. The bowl dimension is 19 Inches long, 16 inches wide, and a depth of 4.875 inches. The overall dimension of the sink is 25 inches long, 22 inches wide and 5 inches deep. This Elkay DRKAD252250R2 Classroom Sink also complies with ASME AND IAPMO requirements.