Description NuFlush 1.9-Inch Flush Valve for Two-Piece Toilets Upgrade your toilet’s performance with this precision-engineered 2-inch flush valve designed to fit standard two-piece toilets. Features: Perfect Fit: 1.9-inch flush valve designed for 2-inch flush holes in two-piece toilet tanks. Flapper with Silicone Seal: Includes a hardbody flapper featuring a durable, floating silicone seal for a reliable, watertight closure. Adjustable Overflow Tube: Easily adjusts from 5.5″ to 9.5″ to match various tank configurations. Complete Installation Kit: Comes with 3-inch nylon nuts and bolts plus a high-quality gasket for a secure, leak-free installation. Built for Reliability: Designed for smooth operation, long-lasting performance, and easy maintenance.