?Perfect Compatibility? The Replacement Roller Brushes Are Perfectly Compatible With Roborock Robotic Vacuum Cleaner, Please Make Sure Your Model Is Correct Before Order. Note: 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 Pieces Of High Quality Robotic Vacuum Roller Brush. It Is A Cost-Effective Choice To Supplement The Replacement Roller Brush For Your Robotic Vacuum Cleaner. | | ?Premium Materials?The Bristles On Our Brushes Are Made Of Premium Nylon, Which Are More Durable And Clean Better Than The Brushes Of Other Brands. The High Quality Rubber Blades On The Roller Brush Are Soft In Texture Can Gently Scrape Out Stains. With Excellent Workmanship, The Roller Brushes Are Made Of Environmentally Friendly Materials And Will Not Have Any Pollution To The Environment. | | ?Excellent Performance? The Integrated Design Of The Ro.