Kohler - Iron Plains 20-3/4"L Enameled Cast Iron Wading Pool Oval Bathroom Sink with Overflow and White Painted Underside

Kohler - Iron Plains 20-3/4"L Cast Iron Drop-In Semi-Vessel Sink with Overflow and Black Painted Underside

Kohler® - Pennington® Top Mount Lavatory Sink, ADA, 20-1/4 x 17-1/2 x 8-1/2 in, Vitreous China, White

Kohler - Pennington 20-1/4" Drop In Bathroom Sink with 1 Hole Drilled and Overflow

Sterling® - Sanibel™ Top Mount Lavatory Sink, ADA, 20 x 17 x 8 in, Vitreous China, White

Sterling® - Sanibel™ Top Mount Lavatory Sink, ADA, 20-1/4 x 17-1/4 x 8 in, Vitreous China, White

PROFLO - Comstock 19-1/2" Oval Vitreous China Undermount Bathroom Sink with Overflow