The Bellwether 60 x 32 in shower base features Kohler® enameled cast iron construction for unmatched durability and ease of maintenance. The left offset drain is designed for easy 60 x 30 in bath replacement. Add a removable cover over the recessed drain for a finished look. Kohler® Shower Base, Single Threshold, Bellwether®, 60 in Length, 30 in Width, 4 in D, Left Offset Drain Location, 3-3/8 in Diameter Drain Hole, Cast Iron, White