It's best to replace your spare parts every 2 to 3 months to keep your home robot operating at peak performance.

• It's best to replace your brushes every 1 to 2 months
• Suitable for Roomba 536,Roomba550 ,Roomba 551,Roomba 552, Roomba 564
• Filters reduce infiltration of dust, pollen and other allergens.
• For use with iRobot Roomba 500 & 600 Series Vacuum Cleaning Robot with Aerovac bins
• Fast shipping and with tracking number!

It's best to replace your brushes every 1 to 2 monthsLOVE(TM)