Phewnyzo 2 Pack Large 3-Inch Toilet Flapper Replacement Compatible with Gerber 99-788 for 3-Inch Flush Valves with Stainless Steel Chain Blue

Replace worn or faulty toilet flappers with this 2-pack designed for toilet flush valves that have a 3-inch diameter opening. The replacement flappers are compatible with Gerber 99-788 and are intended for toilets using the specified 3-inch flush valve size. Check the opening in your toilet tank before ordering to confirm that it measures 3 inches in diameter.Each replacement uses soft rubber construction for practical everyday replacement use. The hook and chain are made of solid stainless steel, providing the chain connection needed to attach the flapper during installation. The flapper is designed to help stop leaking and running toilets when an old, leaky or inefficient flapper needs to be replaced. Replacing a faulty flapper can also help reduce water waste. The supplied information states that the flapper meets US and Canada industry standards for plumbing code.Installation is intended to be straightforward. Remove the old flapper, securely fasten the replacement in the designated location and install the flapper chain. No additional installation equipment is required according to the supplied product information. The flapper is listed in blue and measures 4.9 x 3.66 inches. Product dimensions are listed as 1 x 2 x 3 inches, with a product weight of 0.1 pounds. The package dimensions are 8.9 x 5.47 x 2.52 inches and the package weight is 0.42 pounds. Confirm the toilet tank opening size and the existing flush valve configuration before beginning installation.