Applicable to Romba iRobot 4624878 Replacement Kit with 3 Filters, 3 Corner Brushes, 1 Set of Multi-Surface Rubber Brushes. The high-performance filter is made of a special material that captures 99% of allergens from mold, pollen and dust mites. The corner brush is specially designed at a 26-degree angle and uses five 30mm brushes to clean deep into corners and along wall edges. The large dual rubber brushes clean large areas effectively and work together to thoroughly clean floors. One brush loosens and stirs up dirt, and the other moves in the opposite direction to extract and pull it. Includes everything you need to maintain your robot's cleaning performance in one convenient kit. - Product Type: Replacement Kit. Only compatible with Roomba® s series robot vacuums. Quantity: 8. Colors: Black/Green/Gray.