General description 100% new and high quality, this set of replacement parts is designed for the N20/N20 PLUS/N20 Robot Vacuum Cleaner. Made of high-quality materials, the side brushes allow your vacuum cleaner to reach into corners for a more thorough cleaning. The HEPA filter effectively filters fine dust, reducing dust, pollen, and other allergens from penetrating into the air you breathe. Technical specifications Material: Plastic Package Contents: 1x roller brush, 6x side brushes, 4x HEPA filters, 5x mop cloths Measurement allowed error: +/- 1-3 cm Usage As part of normal maintenance, these parts can be easily removed and replaced. It is recommended to replace spare parts every 2 to 3 months to keep the machine running at its best performance. Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing.