ECOMAID Replenishment Kit for iRobot Roomba 650 600 Series(620 630 650 660) Brush&Flexible Beater Brush&3-Armed Side Brush Replenishment For iRobot Roomba 600 Series (650 630 620 660 680)Vacuum Cleaning Robots,Contacts Everything You Need, HIGH QUALITY : High-strength and environmental protection material,designed to meet or exceed the original qualitity; It's rigorously tested for compatibility and service lifetime. GREAT REPLACEMENT : These replacement irobot roomba parts can keep your home robot operating at peak performance. For best results, filters should be replaced every 2 - 3 months. PACKAGE INCLUDED: 2X600 Side Brushes,3 X 600 Series HEPA Filters,1 X Set Bristle Brush &Flexible Beater Brush