Kohler Rialto Red Rubber Flapper for One-Piece Toilet is designed specifically for Kohler Rialto, San Raphael, Rosaria, and San Martine lites toilets, ensuring a fit and reliable performance. This flapper measures 2 inches in size and is made from durable rubber material that provides long-lasting sealing and efficient flushing. Its vibrant red color not only adds a touch of style but also makes it easy to identify during maintenance or . I for maintaining your toilet’s efficiency, this flapper helps prevent leaks and ensures smooth operation. Model Number: