Often replace filter to help make indoor air more fresh Side Brush:it not scratch floor and furnitureUnique design, easy to collect hair material, in use. Filter helps reduce household odors Keep your home clean by changing filters frequently - once every month or two, depending your usage. Material: plastic colour: As shown Package Contents: 2 x Roller brush 4 x Side brush 4 x Wipe 4 x Filter 2 x Cleaning brush Only above package content, other products are not included. Note: Light and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.