QuietFILL Platinum Fill Valve 528MP | https://www.korky.com/parts/fill-valve-replacements/quietfill-platinum-fill-valve Designed to fix slow refilling, running and noisy toilets, the Korky Quietfill Platinum Fill Valve is universal and adjusts to fit 99% of toilets. It is easy to install and adjust, no tools are required. This valve is 2 times quieter than other fill valves and has a refill adjuster to deliver the right amount of water to the bowl, maintaining original performance and preventing water waste in all toilets.