Keeney K836-79 Flapper Water Saver

2 in Max Saver adjustable flapper allows you to tune your toilet for more flushing power, water savings or the perfect balance of both. Convenient top adjustment makes fine tuning easy. Chloramine-resistant material carries a 5 year guarantee. Chain guard prevents flapper leaks and wasted water. Fits plastic flapper style flush valves with a 2 in opening.