Fluidmaster 3 in. Flapper for American Standard

Upgrade your toilet’s performance with the Fluidmaster 3 in. Flapper, engineered to replace worn or leaky flappers in American Standard and other popular 3-inch flush valve toilets. Its adjustable design and corrosion-resistant components deliver a reliable seal and help reduce water waste with every flush.

Crafted with a durable silicone rubber seal and sturdy plastic frame, this flapper resists cracking, twisting and mineral buildup. Installation is fast and straightforward—no special tools required—and it comes with adapter clips to fit a wide range of models beyond American Standard, including Gerber, KOHLER, Toto, Glacier Bay and more.

Key Features

• Durable, long-lasting silicone seal for consistent water retention
• Adjustable flapper arms adapt to most 3 in. flush valves
• Includes adapter clips for various frame styles and brands
• Fast, tool-free installation—attach, adjust and flush
• Manual operation for simple, reliable performance

⚠️ WARNING: This product can expose you to Styrene known to the State of California to cause cancer. For more information, visit www.P65Warnings.ca.gov.