Master plumber, 3-1/16" o.d. X 2-1/4" i.d. X 3/8" thick, beveled rubber, flush valve shank washer, seals flush valve to toilet tank, fits most toilets. Use With Master Plumber Flush Value TV# 233825.
WARNING: This product can expose you to one or more chemicals, including Phthalates, which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov