Toughness and innovation meet in the FIX-A LOO Duro Toilet Boss Outlet Valve. With a built-in quick-release valve, you no longer have to remove the tank from the bowl to repair a running or noisy toilet. The new twist and lift design make maintenance as easy as a twist of the wrist. With its rare dual flush feature an exclusive built-in rapid flush outlet, this new Duro promises to outperform your expectations. - Fix a running or noisy toilet - Twist and lift design for easy install and maintenance - Rapid flush outlet5-year warrantyWaterMark approved. WMKA20072