The Fluidmaster 523A Super Flapper eliminates the guesswork of toilet repair by fitting both 2" and 3" flush valves. Its adjustable dial lets you control water usage per flush, helping you save water without sacrificing performance. The solid frame design won't twist or shift, ensuring a reliable seal every time.

• Universal fit for both 2" and 3" flush valves
• Compatible with most toilets including Kohler and American Standard
• Works with 1.6 GPF, 3.5 GPF, and dual-flush systems
• Adjustable dial sets water use per flush
• Chlorine- and hard water-resistant rubber with brass eyelets
• Solid frame design prevents twisting and shifting
• Tool-free installation in under 5 minutes
• 10-year warranty

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