Filter:The high-quality filter in this set traps dust particles, and pet dander, cleaner and healthier air in your home. It is easy to clean and maintain for optimum performance. Side Brush:The side brush is designed to reach into corners and along edges, providing thorough cleaning in hard-to-reach areas that the main brush may not reach. It helps to sweep dirt into the path of the vacuum for easier collection. Package Content:Comes with 4pcs filters and 6pcs side brushes, providing you with all the necessary replacements in a package.For RV30 Max / RV30 / RV20 Max / RV20 Easy to Replace with Design:The filters and side brushes easily snap into place, allowing for quick and hassle-free replacement. No tools required. Optimal Maintenance:By changing the consumable refill kit every 2 to 3 months, depending on the frequency of use, you can for that your vacuum cleaner runs at its level. Compatible with model: For RV30 Max For RV30 For RV20 Max For RV20 Colour:As Shown Material:plastic Package Contents: 4 * Filter 6 * Side Brush Only the above package content, other products are not included. Note: Light reflection 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.