Compatibility: The filter is specially designed for TigerShark, SharkVac and AquaVac pool and tub cleaner robots. The filter cartridge is designed to filter more particles to improve pool filtration. 3-Layer Pool and Spa Filter: We designed the 3-layer pool and spa filter to absorb as much debris and dirt from the pool as possible. Thick Filter Material: The pool cleaner filter is made of plastic frame and thick filter material that can withstand rough and frequent use, as well as large amounts of dirt and debris. WASHABLE: These pool and hot tub cleaner filters can be cleaned after each use. Simply use a pressure washer or hose to clean our pool filters for next use. Pool Accessories: Specially designed for a range of Hayward pool vacuum robot models, so you can reduce the time, effort and cost of necessary outdoor pool maintenance. It is a great pool accessory Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be