10 Best Toilet Flappers 2025 in the United States

The Korky 100BP Ultra High Performance Flapper is a versatile option for those looking to repair or upgrade their toilet flapper. It is designed to fit most popular 2-inch toilet brands such as American Standard, Kohler, Mansfield, and TOTO, making it highly compatible with a wide range of models. The flapper is adjustable to fit various tank sizes, including 1.28, 1.6, 3.5, and 5-gallon per flush toilets, which adds to its universal appeal.

Made from durable chlorine-resistant rubber, this product promises longevity and resilience, backed by a 5-year warranty, which indicates a high level of quality and reliability. The material choice also helps in preventing leaks and running toilets, thereby saving water and reducing utility costs. Installation is straightforward and quick, making it user-friendly even for those with minimal DIY experience.

Its American-made manufacturing ensures quality control and supports local industry. However, it is important to note that while it fits most 2-inch toilets, it may not be compatible with all models. Users should verify their toilet's specifications before purchase to ensure a proper fit. With its robust construction and easy installation, the Korky 100BP Ultra High Performance Flapper is a solid choice for anyone needing a reliable and efficient toilet flapper replacement.

The Korky Large 3-Inch Premium Toilet Flapper is designed to fit all 3-inch toilet flush valves, making it versatile and compatible with many brands like American Standard, Kohler, and TOTO. Its size, at 3 inches, is ideal for newer high-efficiency toilets. This flapper is made of high-quality, chlorine-resistant rubber, which enhances its durability and long-term performance. Additionally, it is proudly made in the USA and comes with a 5-year warranty, which speaks to the manufacturer's confidence in its longevity and reliability.

Users report it being very easy to install, which is a big plus for those who prefer DIY solutions to fix running or leaking toilets quickly and avoid water waste. However, being a universal fit, it might not be perfect for every single 3-inch flush valve, so some minor adjustments might be necessary. Furthermore, while the rubber material is durable, it may still wear down over a prolonged period, especially in environments with harsh water conditions.