The Elkay DRKAD2217501 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 DRKAD2217501 Top Mount Classroom Sink is furnished with a single slotted hole that allows for vandal-resistant bubbler installation. 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 dimensions are 16 inches long, 13 1/2 inches wide, and a depth of 4 -7/8 inches. The overall dimensions of the sink are 22 inches long, 17 inches wide and 5 inches deep. This Elkay DRKAD2217501 Classroom Sink also complies with ASME and IAPMO requirements.