Dirt Disposal Bags hold dirt and dust so you don't have to think about vacuuming for weeks at a time. Compatible with: Clean Base® Automatic Dirt Disposal models including Roomba® and Roomba Combo® i, s, j and Essential Series robots Clean Base® Auto-Fill dock for Roomba Combo® j9+ robots AutoWash™ dock for Roomba Combo® 10 Max robots Reminder: It's important to replace your robot accessories with iRobot® genuine parts. Genuine parts are designed and manufactured to the exact specifications set by iRobot®. This ensures that each part not only fits perfectly but also operates in harmony with the rest of the robot, maintaining the designed performance standards. Non-genuine parts may choose to cut corners when it comes to material selection, method of fabrication, and quality control.