Description Universal 7/8-inch Bottom Water Fed Toilet Fill Valve with Adjustable Height and Filtered Adapter Adjustable Height 8.5-inches to 12-inches tall 7/8-inch Thread for Bottom Water Fed Toilets Fits Kohler, American Standard, Eljer, Toto, Jacuzzi and replaces Fluidmaster parts Universal fit for both 1 and 2 piece toilets that are bottom water fed with a 7/8-inch pipe connection Fixes running, noisy, slow refill, and weak flushing toilets Screen for limiting debris which can cause wear and tear to your fill valve – great for those with hard water and/or well water Filtered screen can be cleaned out easily and increases lifespan of fill valve Filtered screen is 7/8″ female and 7/8″ male The fill valve replaces the ballcock mechanism and is more efficient and easy to install