Accessories/spare parts are compatible with T8, T8+, T8 , T8MAX, N8, N8+, N8 Pro, N8 Pro+, T9, T9+ozmo 950 omzo 920 robot vacuum cleaner (this product is not compatible with T9 ). The main brush & side brush is made of soft and material, it not damage your floor. Main brush for T8 has dense bristles, locks quickly and can be replaced quickly and easily. Uniquely designed side brush for T8 can handle different floor surfaces, reaches deep into corners and edges to easily remove more dirt and dust and keep clean. Filter for T8 is made of high-strength environmentally friendly materials that keep dust, , and dirt away to keep your home clean. Clean spare parts regularly to improve suction performance and extend the life of your vacuum cleaner. For best results, replacement parts for T8 2-3 months recommended replacement, effortless replacement, no tools required. If the side brushes for the are bent during transport, you can restore them by simply placing them in warm water for a while, allow to dry completely in the air before reuse. When you use the rollers for the first time, there may be noise, which disappear after some time. Material: plastic colour: as shown Package Contents: 2 x roller brush 8 x filter 12 x 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.