The side brush allows your vacuum cleaner to reach deeper into the carpet for a more thorough clean The filter filters fine dust to prevent dust, pollen, and other allergens from entering the air you breathe As part of normal maintenance, it can be easily removed and replaced It is best to replace the spare parts every 2 to 3 months to keep the machine running at its best performance Compatibility: for OZMO 920 950 T5 T8 N8 T10 T9 Series /MAX 2 Hybrid. Material: Plastic Color: As shown Package Contents: 1 x Main Brush 1 x Cleaning Brush 1 x Screwdriver 4 x Filters 8 x Side Brushes 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 +/- 1-3 cm.