Sparkling Pool Guarantee : Our Filters Are Engineered To Keep Your Pool Water Crystal Clear, Removing All Types Of Debris For A Refreshing Swim. Heavy-Duty Abs Plastic Frame : Constructed To Be Sturdy And Long-Lasting, Providing Maximum Structural Stability And Hydraulic Efficiency. Robotic Pool Cleaner Compatibility : Suitable For Dolphin Nautilus Cc Plus, M400, M500, And Other Models, Ensuring A Precise Fit. Maintenance Performance : Easy To Maintain, Simply Clean Every 4-6 Weeks To Keep Filters Working At Their Best. Washable & Reusable : Economically Friendly And Sustainable, Our Filters Can Be Cleaned And Reused Numerous Times Without Losing Effectiveness. Transform Your Pool Into A Sparkling Paradise With Our Robotic Pool Cleaner Filters. Featuring A Heavy-Duty Abs Plastic Frame, These Filters Are Built To Endure The Rigors Of Regular Use While Maintaining High Efficiency Filtration. Designed For Compatibility With The Dolphin Nautilus Cc Plus, M400, And M500, Our Filters Are Washable And Reusable, Making Them An Economical And Environmentally Conscious Choice For Keeping Your Pool Crystal Clear.