Compatible: The Replacement Knit Only Compatible With iRobot Roomba Combo i5, i5+,j5, j5+ Robot Vacuum Package Includes: 15PCS-2 Roller Brush, 1 Self-Cleaning Brush,4 Hepa Filter, 4 Side Brush, 4 Mop Cloth Design Unique: This Accessory Is Designed For iRobot Roomba Combo i5, i5+,j5, j5+.Which Can Be Used Last To 3 Month Mop Pads:Reusable & Durable,Strong Water Absorption, High Temperature Resistance, No Fading, No Lint and Easy Drying. The Replacement Part easy to replace without any tool. To keep your Household sweeping robot operating at peak performance, recommend to replace the kits every 3-6 months.according to the frequency of use, it can be replaced by a shorter or longer time. The Replacement Part easy to replace without any tool. To keep your Household sweeping robot operating at peak performance, recommend to replace the kits every 3-6 months.according to the frequency of use, it can be replaced by a shorter or longer time.