With an integrated, 4-inch brass tailpiece for convenient installation, this Duostrainer body fits snugly into standard kitchen sinks. It can be matched with a wide variety of strainer finishes for a customized look. Available in an array of KOHLER finishes to match any decor. Solid-brass construction. Quick-locking installation system. For sink installations with 3-1/2” or 4” outlet. 1-1/2” diameter connection and brass 4" tailpiece.