:These products are made of high-strength and environmentally friendly materials to ensure optimal performance and a healthier lifestyle.Premium quality side brush reaches deep into corners and edges to remove more dirt, dust and debris. The HEPA filter blocks 99.97% of pollen, dirt, dust, pet dander and other particles as small as 0.3 microns in size. Each dirt bag holds 30 bins of dirt and debris. Easy disposal without the cloud of dust.Regularly clean replacements parts to improve suction and performance and extends the life of your robot vacuum. Recommend to replace the vacuum filter every 2 months and replace the side brushes every half month, or dependent on usage.Compatible with:for iRobot Roomba s9 (9150) s9+ s9 plus (9550) Wi-Fi connected robot vacuum cleaner.Package includes:There are various combinations of this product, which will vary according to your choice.