The Roomba 800 & 900 Series Replenishment Kit comes with everything you need to keep your Roomba 800 & 900 Series robots operating at peak performance. Kit includes 3 AeroForce® Filters, 2 Spinning Side Brushes, and 1 set of AeroForce® Extractors.The iRobot Roomba 800 & 900 Series Replenishment Kit contains everything you need to help maintain your robot's cleaning performance, in one convenient kit. Compatible with Roomba 800 & 900 Series robots. Kit includes: 3 AeroForce High-Efficiency Filters. 2 Spinning Side Brushes. 1 set of AeroForce Extractors. 1-year manufacturer's warranty. Imported. Model 4415866.