Kohler Deerfield 22" x 33" x 9.63" Enameled Cast Iron Double Basin Undermount Kitchen Sink in White - 5873-5U-0 – Vevano
KOHLER Vault 33" Single Bowl 18 Gauge Stainless Steel Kitchen Sink with Single Faucet Hole K-3821-1-NA Drop-in or Undermount Installation, 9 inch Bowl - Single Bowl Sinks - Amazon.com
KOHLER Kennon Neoroc Matte Grey Granite Composite 33 in. 1-Hole Single Bowl Drop-In/Undermount Kitchen Sink K-RH8437-1-CM4 - The Home Depot