The 13-760 is a Bar Drain Tray from Spill Stop. This black tray includes a drain extension tube that fits into the #13-700 overflow pipe, sold separately. Spill Stop 13-760 Features Bar Drain Tray Drain Extension Tube Color: Black Rectangular Made in USA Works with #13-700 Overall Dimensions: Height: 3" Width: 14" Front-to-Back: 5"