Replacement filters for Irobot Roomba 6 series 600 sweeper, such as 610, 611, 627, 650, 620, 640, 630, 6606 series, network version, pet version, hurricane version, etc
Filters maintain Roomba's cleaning performance while reducing infiltration of dust, pollen and other allergens into the air you breathe
Replacement cycle usually the replacement period is 3-6 months
Observe whether the brush is worn off and whether the edge brush is deformed. Determine whether to replace