Filter Accessories Are Perfectly Compatible With Roborock S7/S7 Maxv/S7 Maxv Ultra | | Has Strict Quality Control On The Products, The Filter Screen Is Very Close To The Original In Both Appearance And Quality, Which Is A Better Choice For The Replacement Of Roborock Original Accessories. Avoid Low-Quality Filters, Which Will Make The Sweeping Robot Prompt "Error" | | If The Filter Is Too Large Or Too Small, It Will Affect The Normal Operation Of The Sweeping Robot. Filter Accessories Size 1:1 And Original Roborock, Easy To Install And Remove. There Are Sealing Sponges On The Sides Of The Filter To Keep Dust Out. The Filter Screen Seals Efficiently, Minimizing Pressure Loss And Maintaining Strong Suction. | | It Is Recommended To Replace The Filter Every 1-3 Months To Achieve Better Filtering Effect. The Filter Can Be Washed With Running Water To Achieve The Effect Of Repeated Use. After Rinsing, It Needs To Be Completely Dry Before Continuing To Use. .