This package includes three replacement filters for Roomba 500 series robot vacuum cleaners. This replacement filters will not fit Roomba 500 vacuums with Aerovac bins, such as the 551 or 560. Those require a different filter.
To maintain optimum cleaning performance and allergen filtration, we recommend replacing this filter every two to three months. Each filter measures approximately 8.5 x 7.2″ inches.
Part numbers and Alternate Part numbers
81501
