Designed to fix no/slow refilling, running and noisy toilets, the Korky QuietFILL toilet fill valve is quieter than other fill valves. 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 Quiet Fill fill valve is very easy to install and adjust, no tools are required. Simply remove your old fill valve or ballcock, insert your new Korky fill valve and adjust. The innovative twist-lock adjustment makes installation easy. Easy-to-install, the 528 toilet parts include - (1) toilet fill valve, (1) refill tube, (1) metal refill tube clip, (1) mounting nut, (1) cone washer, (1) coupling nut, (1) tamper proof key and (1) instructions.