Dayton® Stainless Steel 25" x 21-1/4" x 6-9/16" Single Bowl Drop-in Sink. Sink is manufactured from 22 gauge 300 series Stainless Steel with a Satin finish, Center drain placement, and Bottom only pads.Compliance:Massachusetts MA approved##ASME A112.19.3######CSA B45.4##cUPC####IPC listed##NPCC listedFeatures:ADA COMPLIANT: Product is ADA compliant when properly installed##22-GAUGE STAINLESS STEEL: Commercial grade 22-gauge thickness and 300 Series stainless steel for everyday use##DROP-IN INSTALLATION: Sink is installed above the countertop, an ideal choice if you are not replacing the counter; has a beautifully finished rim##SINGLE BOWL: Bowl gives you uninterrupted space for washing and stacking dishes or other household tasks##QUIET: Sound-deadening pad(s) minimizes sound and vibration for a quieter time at the sink##U-CHANNEL INSTALLATION: Mounting clips placed inside the channel before installation means less time under the sink for an easier install##MADE IN THE USA: This Elkay® product is proudly made in the USA##DRAIN OPENING: Sink drain opening measures 3-1/2"########