Made of high-quality materials, environmental friendly materials, soft and durable to use. The dust bag is made of melt-blown fabric and non-woven fabric, combined with the cleaning station can effectively capture 99.7 of ultra-fine dust down to 0.3 tiny particles. The accessories are easy to remove dirt, dust and trash in corners and edges effectively. Especially your hairs and your pets hairs HEPA filter is made of high-strength environmental-friendly materials, which can block most of dust down to 0.3 micrometer. The filter can maintain the cleaning performance of the , while reducing the penetration of dust, pollen and other into the air you breathe It is recommended that you replace spare parts every 2 to 3 months depending on the frequency of use to keep the machine running at its best performance Type:Vacuum Cleaner Accessories Applicable Models: For Deebot T20 OMNI For Deebot T20 MAX For Deebot T20 PRO Colour:As Shown Material:Plastic Package Contents: 1 * Main brush 1 * Rubber main brush 4 * side brushes 4 * Dust Bags 4 * mop cloth 4 * hepa filter 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.