When the sweeper is working, the roller brush rotates to thoroughly clean the floor. It is easy to remove and replace as part of routine maintenance. Frequently replace the filter to help keep indoor air fresh and reduce household odors. True HEPA filter captures 99.97% of dust and allergens as small as 3 micrometers, including household dust, pet dander, mold spores, and plant pollens. The side brush provides better cleaning in deep corners. Color: As shown in photo Material: Plastic + fiber Package Contents: 1 x Roller brush, 3 x Filter, 6 x Dust bag, 6 x Side brush, 6 x Wipe Note: Only the items listed above are included; other products are not included. Lighting and monitor settings may cause slight color variations between the image and the actual product. Measurement may vary by +/- 1-3 cm.