Description Extra thick urethane wax gasket with flange. Fits 3' and 4' waste line. For setting toilet bowls. Includes two each: 1/4' x 3-1/2' solid brass bolts, plastic retainers, plated round washers and plated nuts. Conforms to Federal Specification TT-P-1536A. Boxed. WARNING: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer, birth defects or reproductive harm and Butyl Benzyl phthalate (BBP) which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov