Material and durability: made from rubber and metal for long lasting use and reliable performance in toilet systems Key problems addressed: fixes leak flapper, stops running toilet, resolves double flush issues, replaces worn toilet flapper Compatibility: universal flapper designed for 2 inch flush valve toilets, suitable when replacing older or worn flappers Performance benefits: creates a strong seal to prevent water waste, restores proper flush operation, improves overall toilet efficiency and reliability Installation note: designed for straightforward replacement on standard 2 inch flush valve toilets Use scenarios Residential : in a home bathroom with a running toilet caused by a worn flapper, install this universal flapper to stop the leak and restore normal flush Small commercial restrooms: a leaking or inefficient flapper in a or office restroom to reduce water waste and maintenance calls Property maintenance or DIY projects: convenient replacement during routine toilet maintenance in rental units or apartments to ensure dependable flushing and prevent overflow