QuietFILL Fill Valve & Premium Flapper Kit 818BP Designed to fix slow refilling, running, and noisy toilets, the Korky QuietFILL Toilet Fill Valve is more than two times quieter than other fill valves. It replaces old technologies such as ballcocks. It has a universal design to fit all brands and features a wide range of adjustability to fit most 2-piece and 1-piece toilets. The Korky QuietFill Fill Valve is very easy to install and adjust; no tools are required. This kit also includes the universal, long lasting Korky Plus flapper