It can be easy to remove and replace as part of routine maintenance. it's easy to remove dirt, dust, and trash in corners and edges from the accessories, especially human hair and pet's hair. For best results, spare parts should be replaced every 1 - 3 months. For Gutrend style 220,iLife A4,A4S,A40,Polaris PVCR 0726W,0826,0926W EVO, 0930 SmartGo,Amibot Spirit H2O Smart Robot, Robot vacuum, ICE H2O Colour: as shown Material: plastic Package Contents: 1 * Roller brush 1 * Roller cover 1 * Primary filter screen 6 * Side brushes 4 * Filters Only the above package content, other products are not included. Note: Light shooting 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.