Wells Sinkware Rhythm Series White Ceramic Undermount Rectangular Traditional Bathroom Sink (21.5-in x 15.5-in) in the Bathroom Sinks department at Lowes.com
Speakman Westmere White Rectangular Undermount Bathroom Sink | Wayfair
KRAUS Elavo Large Rectangular Ceramic Undermount Bathroom Sink in White with Overflow KCU-251 - The Home Depot
EAGO BC227 White Ceramic 22"x15" Undermount Rectangular Bathroom Sink
DeerValleyBath DV-1U101 Ceramic White Rectangular Undermount Sink Porcelain Bathroom Vanity Vessel with Overflow - Walmart.com