- Haohai CN001 replacement kit with 2 universal 2-inch (5 cm) toilet flappers - Made of high-quality flexible rubber, ensuring a tight and durable seal - Stainless steel chain and hook, corrosion-resistant and long-lasting - Easy installation: no tools required, just remove the old flapper and install the new one - Quick and effective solution to eliminate leaks, whistling, and water loss in the tank - Helps save water and reduce expenses with each flush, optimizing toilet performance - Ideal for replacing old, leaking, or inefficient flappers in most standard toilets - Includes two replacement flappers and adjustable chains for a perfect fit - Dark blue color, easy to identify with a modern design - Compatible with 2-inch (5 cm) flush valves, for home and professional use