Keep your sink draining smoothly with this complete Duostrainer sink strainer. With an integrated tailpiece for convenient installation, and basket featuring an easy-to-use open/close stopper, this strainer system offers everything you need. Available in an array of KOHLER Finishes to accent any decor. Brass construction. For sink installations with 3-1/2" (89 mm) or 4" (102 mm) outlet. Removable basket strainer with open/close stopper. Tailpiece included.