Fangrui Product Details [specially Designed]the Brush Rollers Are Specially Developed For Floor One S5/ Floor One S5 Pro Smart Wet Dry Vacuum Cleaner.(note: Not Compatible With For S5 Combo And Ifloor 3/ifloor One S3, Please Make Sure Your Model Is Correct Before Order. [ Package]this Package Come With 2 Pieces Of High Quality Brush Rollers. It Is A Cost-effective Choice To Supplement The Brush Rollers Accessories For Floor One S5/ Floor One S5 Pro 2 Smart Wet Dry Vacuum Cleaner. [easy Installation Maintenance] The Brush Rollers Are Perfectly Matched. And The Installation Method Is The Same As The Parts, Which Is Easy Detachable And Clean, Rinsable For Easy Maintenance, Rinse Under Cold Running Water And Give It Several Hours To Be Dried Completely Before Reinstalling. It Is Recommended To It Every 3-6 Months. [excellent Performance]the Flat Cylindrical Structure Design Of The Brush Rollers Can Prevent Damage To The Ground, Which Are Suitable For All Kinds Of Hard Ground Including Laminate, Lino