Korky, 2" easyfix flush valve repair kit, repairs corrosion or deposits on plastic & brass flush valve seats, includes an adjustable ultra water saver flapper, a plastic flush valve seat & silicone sealant to repair corroded flush valve seats without removing your toilet tank, engineered materials resists chlorine, bacteria, city water treatment, hard water, & well water & seals within 15 minutes, easy to install, includes: 1 each 100 adjustable flapper, 1 stainless steel chain, 1 plastic flush valve seat & 1 tube of silicone sealant.