?Perfect Compatibility? The Replacement Robotic Vacuum Filter Kit Is Specially Developed For Shark Ai Av2501Ae Av2501S Rv2502Ae Rv2520Aous Av2510Aous Av2511Ae Rv2610Wd Rv2610Wa. Please Make Sure Your Model Is Correct Before Order. Please Be Noted That: This Is Not An Oem Product. Any Use Of The Brand Name Or Model Name Is Intended Solely To Demonstrate Compatibility Of This Product. | | ?Great Value Package?This Package Will Come With 2 Pre Filters, 2 Back Filters And 2 Sponge Filters. It Is A Cost-Effective Choice To Supplement The Replacement Hepa Filters For Your Robotic Vacuum Cleaner. | | ?Excellent Performance?The Filters Of The Latest Version Are With Stronger Capabilities To Filter Up To 99.9% Of The Dirt, Pollen, Small Dust Particles And Substances. It Is Recommended To Replace The Filter Every 1-2 Months To Effectively Prevent Dust From Entering The Engine And Prolong The Service Life Of The Robotic Vacuum. | | ?Premium Materials? The Filters Are Made Of High Qualit.