The Elkay DRKAD2522452 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 DRKAD2522452 Top Mount Classroom Sink is furnished with 2 faucet holes. At the 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 left side of the sink. The 3.5-inch drain hole is located center from left to right but is off center front to back. This high-quality classroom sink is equipped with a sound guard coating on the underside to help minimize noise. The bowl dimension is 22 Inches long, 16 inches wide, and a depth of 3.375 inches. The overall dimension of the sink is 25 inches long, 22 inches wide and 4 inches deep. This Elkay DRKAD2522452 Classroom Sink also complies with ASME AND IAPMO requirements.