[Compatible with]: Our pool filters are compatible with the following hayward robotic pool cleaners: TigerShark, Tiger Shark QC, TigerShark Plus, Tiger Shark 2, Tiger Shark 2 Plus Series, Shark Vac, SharkVac XL, Aqua Vac 500 Serie. Pool cleaner filters Part Number: RCX70101PAK2, RCX70101. Pool shark filter cartridge fit for model Tiger Shark rc9990gr, TigerShark rc36000qc, Tiger Shark rc9950, TigerShark rc9952, Tiger Shark rc9742, TigerShark rc4702, Tiger Shark w3rc9740cub, Shark vac rc9740. [Quality Materials]: Our RCX70101 robotic pool cleaner is made of a hard-wearing ABS. Meanwhile the filter plate of the cartridge is woven with a diamond-shaped grid and thickened PET fiber material, which has a dense mesh that gives the robotic pool filter an ultra-fine and more pleated shape to effectively filters dirt and debris from the water. Maximum filtration efficiency is achieved, allowing the vacuuming robot to perform at its best. [Reusable]: Our RCX70101 robotic pool cleaner filter cartridge is made of reinforced PET fiber material woven into a diamond-shaped grid, it is more effective in improving filtration performance and impact resistance. As a result, our pool cleaner filters can withstand rough and frequent use, as well as large amounts of dirt and debris collection. [Easy to Clean]: To clean the cartridge after each use, place the pool cleaning robot on its side. Loosen the bottom cover latch and remove the bottom cover assembly. Pull out the cartridge. Your cartridge is a three-piece filter assembly and you can take the elements (part number RCX70101) out to clean it thoroughly. A quality ultra-fine filter will last 2-3 years. Please flush the filter every 4-6 weeks for best performance. [3 Layer Swimming Pool and Spa Filter]: We have designed a 3 layer thick pool and spa vacuum filter, which can absorb as much debris, and dirt as possible f