Korky Quietfill Fill Valve and Premium Flapper Kit is designed to solve common toilet issues such as no or slow refilling, running water, and noisy operation. This fill valve is quieter than many others on the market and features a universal design that fits all brands. It a wide range of adjustability to accommodate most 2-piece and 1-piece toilets, making it a versatile solution for your bathroom needs. Installation is simple and tool-; just remove your old fill valve or ballcock, insert the new Korky fill valve, and adjust using the innovative twist-lock mechanism. The valve adjusts from 7-3/4 inches to 13-1/2 inches to fit more toilets. Included in the kit is the durable Korky Plus 2-inch Toilet Tank Flapper, known for its long-lasting performance. This easy-to-install kit comes in a convenient clamshell package and measures 10-3/8" x 4-7/8" x 2-3/8". Model Number: 818BP