Teflon and rubber. Seals base to bowl. For models 510, 511, 906, 908, 910, 911, 911-M28, 912-M28, 913-M28, 980, 2010 and 2011.For gravity flush toilets 2000 or earlier.INSTALL ONLY IN TOILETS WITH OVERFLOW HOLES INSIDE THE TOILET BOWL.
PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov
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