The Elkay DRKADQ252240R3 is a Single Bowl Classroom Quick Clip Sink. This stainless steel classroom sink is rectangular-shaped and is designed for a top mount installation. This Elkay DRKADQ252240R3 sink has beautiful coved corners with a bowl and faucet deck recess that is located 3/16" (4mm) below the outside edge of the sink. The overall dimensions of the sink are 25" x 22" x 4". This sink is furnished with three faucet holes. It has a 3-1/2" drain hole located at the center of the sink (refer to the specification). This sink has a lustrous highlighted satin finish and is constructed of a high-quality #18 gauge type 304 nickel bearing stainless steel. The underside of the sink has a special coating to reduce condensation and dampen sound. The Elkay DRKADQ252240R3 Single Bowl Gourmet Sink complies with ASME A112.19.3/ CSA B45.4 and is listed by IAPMO as meeting the applicable requirements of the Uniform Plumbing Code, International Plumbing Code, and National Plumbing Code of Canada. It has a limited lifetime warranty from the date of purchase. All Elkay products are made in the USA.