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.