1.Perfect fit for your device, specially designed for the TigerShark robot pool cleaner. The filter can catch and collect impurities in the pool, such as sand, leaves, hair, etc. to keep the pool water clean and hygienic. Size: 30 x 17 x 1.7 cm/11.8 x 6.7 x 0.7 inches. 2.The filter plate can improve the cleaning performance of the swimming pool cleaner, reduce the load on the swimming pool water circuit, extend the life of the swimming pool equipment and save energy and maintenance costs. 3.The frequency of filter change depends on the use and cleanliness of the pool. It is recommended to clean the filter after each use and check it regularly for wear. In general, the filter life is 12 years. 4.The TigerShark pool cleaner filter is made of high quality materials that are durable, corrosionresistant, clog and easy to clean. It is designed to match the structure and function of the pool cleaner and can effectively work with the operation and operation of the pool cleaner.