Make the toilet flushable again with this Fluidmaster anti-siphon toilet tank fill valve. This valve is designed to replace a worn-out valve that causes the toilet to leak. With this 0.44-pound valve, the toilet should fill quickly and not run between flushes. This fill valve features a universal fit for one-piece and two-piece toilets. It is constructed of durable plastic and can withstand hard water. Its height is adjustable from 9 to 14 inches to accommodate the toilet's tank.