Keeney K835-90 Flapper, For: Plastic Flapper Style Flush Valves with a 3 in Opening

3 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. Easy adjust arms make fitment simple and universal. Chloramine-resistant material carries a 5 years guarantee. Chain guard prevents flapper leaks and wasted water. Fits plastic flapper style flush valves with a 3 in opening.