Korky 528GT Universal Fill Valve for Toto Toilets, Blue, Single Unit Made in USA The product is highly durable and easy to use Easy installation and easy handling Fill valve adjusts from 7-3/4" to 13-1/2" 5 year warranty Maximizes toilet&#039;s original performance Designed to fit: <ul class="a-unordered-list a-vertical"> Drake Eco Drake Ultramax &amp; all other TOTO models Upgrade your toilet&#039;s performance Replaces older technologies such as ballcocks