Usage Tips:Compatible models: 12-piece spare parts accessory set compatible with Ecovacs Deebot N8 / N8+ / N8 Pro / N8 Pro+ / N7, T8/ T8+ / T8 AIVI/ T8 AIVI+/ T8 MAX, T9/ T9+, OZMO 920/950, Yeedi Vac 2 Pro/ Yeedi Vac 2 Pro/ Yeedi di Vac Vac Hybrid / Yeedi Vac Station / Yeedi Vac Max, please confirm your device model before ordering, fit as an replacement. Rubber main brush: the high-quality main brush for Ecovacs Deebot N8, T8 is made of rubber, which has a super cleaning power and suction power and, V-shaped design, with removable bearings. Can remove hair and dirt quickly and easily, will not damage the floor. High efficiency HEPA filter: the HEPA filter for Ecovacs Deebot T8 is made of high-strength and environmentally friendly materials that can remove 99% dirt, dust, allergens, etc. Easy to replace and washable to keep your home clean. Durable side brush: the side brush for Ecovacs Deebot N8 is made of a nylon bristles and a TPU elastic material, can handle different floor surfaces, reaches deep into corners and edges to easily remove more dirt and dust and keep clean to clean more thoroughly. About the frequency of replacement: you can receive the most complete set in the package. Stimulation: Replace the parts every 2 to 3 months (depending on frequency of use) to extend the life of the machine and to ensure the maximum performance of your robot in the long term Colour:Photo Color Material:plastic Package Contents: 1 x Roller brush 6 x Side brush 4 x Filter 1 x Cleaning 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.