Description Mansfield Enso Toilet Repair Kit, Fill Valve, Flush Valve Bolts Nuts & Gasket Adjustable 8-12 inches Dual Top-Button 2.5-Inch Flush Valve Canister for Two-Piece Toilets Dual-Flush Operation: Compatible with top-button flush control systems in two-piece toilets. 2.5-Inch Canister Design: Fits standard 2.5-inch flush openings for improved water flow and efficient flushing. Adjustable Height: Overflow Tube adjusts from 8 to 12 inches to accommodate a wide range of tank sizes. 9-Inch Tall Canister Body: Ideal for two-piece toilets requiring a 9-inch canister for proper operation. Includes Hardware: Comes with 2  bolts and nuts and gasket for secure installation.