The Genuine Toto Universal Fill Valve by Korky is designed to replace all Toto Fill Valves including: Drake, Eco Drake, Ultramax and all other Toto toilet models. Designed to fix no/slow refilling, running and noisy toilets, the fill valve is quieter than other fill valves. The Genuine Toto 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. Designed to fit more toilets, the fill valve adjusts from 7-3/4 in. to 13-1/2 in. Easy to install, the 528GT includes: (1) 528GT 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.