1. These Vacuum Cleaner Accessories are Fit For iRobot Roomba 800 Series&900 Series 860,870, 880,980 Vacuum Cleaning Robots
2. These Replacement iRobot Roomba Hepa Filters made of high quality PC, fully use of efficient filter material. Filters maintain Roomba's cleaning performance while reducing infiltration of dust into the air you breathe.
3. To keep your iRobot Roomba operating at peak performance,these filters, rollers and side brushes should be replaced every 2 - 3 months.