Flexible Sink Drain Pipe, 1-1/2 P-Trap with Adapter, Expandable Tubular Drain Tu | eBay
1-1/4" or -1-1/2" Tubular Drain Pipe Connector | U.S. Plastic Corp.
Amazon.com : Sealproof Flexible PVC Pipe 1-1/2 Inch Dia Hose 25 FT Length, Black Tubing, Schedule 40, Premium Quality Made in USA : Tools & Home Improvement