The adjustable 2 in flush valve and tank to bowl gasket kit is universal to fit all 2-piece toilet tank brands. Quick and easy to install, the flush valve height easily adjusts from 7 to 11-1/2 in, with no tools or hack sawing required. The oversized tube and funnel reduce flood risk while the included premium flapper ensures a tight, leak-proof seal. The included Korky ultra high performance flapper is the most universal 2 in toilet flapper available.