Often replace the filter to help make indoor air more fresh Side Brush:it not scratch the floor and furnitureUnique design, easy to collect the hair material, in use. Filter helps reduce household odors Keep your home clean by changing the filters frequently - once every month or two, depending your usage. Material:plastic colour:black Package Contents: 1 x Main brush 2 x 5-arm side brushes 2 x HEPA filter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.