KOHLER K-5838-0 Deerfield Top-Mount/Undermount Smart Divide Double-Equal Bowl Kitchen Sink, 33 x 19-3/8", White CAST IRON Made in US The Smart Divide low-profile basin divider (patent pending) offers ease of handling large items within the sink Constructed of KOHLER Cast Iron Basin depth of 9 in Self-rimming or under-mount installation 33 in. minimum base cabinet width for top-mount installation, 36 in. minimum base cabinet width for under-mount installation