Clean brushes help maintain optimal performance of your home robot. Side brushes are easy to remove and replace as part of regular maintenance. Filters help sustain cleaning efficiency while reducing the release of dust, pollen, and other allergens into the air. For best results, replace filters every 2 to 3 months. Compatible Models: E20, E31, E30 Material: Plastic Color: White + Blue Package Contents: 6 x highly efficient filters 6 x washable foam filters 10 x heavy-duty side brushes 1 x main rolling brush 1 x cleaning brush 1 x screwdriver Only the above package contents are included; other items are not part of this package. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.