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, mites, allergens 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