Fluidmaster 400CRP14 Adjustable Toilet Tank Repair Kit. It includes #400A Fill Valve & The Rugged #501 Dura-Flush Flapper. The flapper is chlorine resistant for harsh water regions. This kit solves the 2 most common toilet problems: noisy and running toilets. It is easy to install and fits 3.5 gpf toilets or larger made prior to 1994. Backed by a 1 year warranty.

• Adjustable Toilet Tank Repair Kit.
• Includes #400A Fill Valve & The Rugged #501 Dura-Flush Flapper.
• Chlorine resistant flapper for harsh water regions.
• Solves the 2 most common toilet problems.
• 1 year warranty.