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 accessories, especially and pet's hair. For best results, spare parts should be replaced every 1 - 3 months. For Gutrend style 220, A4,A4S,A40, PVCR 0726W,0826,0926W , 0930 SmartGo, 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 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.