Features: The C-100500-K flush cartridge set is suitable for flushmate M-101526-F, M-101526-, M-101526-, MA101526-F, M-102540-F, M-102540-, M-102540-, M-102540-, and M-102540-C pressure assist tanks. Flush gate cartridge assembly is designed for power flush toilet replacement part, works in 1.6 GPF, 1.28, and 1.0 GPF (Gallon Per Flush) tanks, fits for 500, 501, 501A and 504 Series pressure assist tanks systems. Made from robust plastic, this flush gate cartridge assembly is engineered to withstand wear and tear, providing a cost-effective solution without compromising durability. The cartridge assembly is the main gate that opens and closes to deliver the water to the toilet bowl; Installing our new flush cartridge assembly set when your toilet has problem with the water running and weak flushes, is a good option for you. This cartridge set can help you fix your break toilet quickly. Easy operate, directly replace, more convenient, an option for household and office toilets repair. Specifications: Component: Plastic Length: about 25.19cm/9.92inch Package Includes: 1set Flush gate Cartridge Assembly note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.