About This

• High-Quality Materials: Crafted from premium rubber, this 3-inch toilet flapper is soft yet durable, with quick rebound properties to ensure a tight seal that helps reduce water waste.
• Standard Fit: Designed to meet plumbing standards in the U.S. and Canada, this flapper is ideal for use with 3-inch flush valves. Its size ensures the flapper remains open just long enough for a complete and effective flush.
• Professional Design: Specifically made to replace worn, leaking, or damaged flappers, it is compatible with the Gerber 99-788 model. It provides a reliable solution to fix leaks and lower water bills, restoring your toilet’s proper function.
• Cost-Effective: The package includes 1 flappers, providing a spare for future needs. You can handle the installation yourself, saving on costly plumber visits and repairs.
• Easy Installation: No special tools are required. Simply turn off the water valve, drain the tank, remove the old flapper, and install the new one with the included chain. If removing the old flapper is challenging, cut it off carefully to protect the valve.
• Note: Please confirm that your toilet tank opening is 3 inches in diameter. This flapper measures 4.9" x 3.66", designed specifically for 3-inch flush valves.
• Compatible with Gerber 99-788.