Maintain cleaning performance while reducing infiltration of dust, pollen and other allergens with this Roomba 700 Series replacement filter pack. Not compatible with any Roomba 500 or 600 Series robot. The Roomba 700 Series dual HEPA filters capture dust particles as fine as 0.3 microns, limiting their recirculation into the air. Replace your filters every 2-3 months for peak cleaning performance. Compatible with Roomba 700 Series robots only.