Part of our All Weather Collection, this self-rimming drop-in has a 25x22 All-Weather Undermount Outdoor Use Stainless Steel Sink. Built for durability in any environment, this All-Weather (AW) sink is constructed from 316 marine-grade stainless steel, making it highly resistant to corrosion and ideal for outdoor use. Whether it's installed in a backyard kitchen, grill station, or patio bar, this sink is made to handle the elements year-round. This AW2522-16 includes a stainless steel grid to help protect the basin, along with NS35L-EXT drain.n. The satin finish makes daily maintenance a simple rinse! Features a limited lifetime warranty.