Korky 528T Replacement TOTO Toilet Fill Valve - Fits G-Max and Power Gravity Toilets -Easy to Install -Made in USA, BlackTOTO FILL FALVE: Designed to replace G Max & Power Gravity Toilets. Designed to fix no slow refilling, running, & noisy toilets, the fill valve is quieter than other fill valves. Adjustable sizing. EASY TO INSTALL: Simply remove your old fill valve or ballcock, insert your new Korky fill valve, & adjust. The innovative twist lock adjustment makes installation easy. Adjusts from 7 3 4" to 13 1 2". INCLUDES: The universal fill valve set includes fill