The products are made of high-strength and environmentally friendly materials to optimal performance and a healthier . Regularly clean and replace roller brush to suction and performance and extends the life of your robot vacuum. 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 sweeper, while reducing the penetration of dust, pollen and other allergens into the air you Replacement Filter: A dirty filter will greatly reduce suction power. Depending on the vacuuming frequency and amount of dirt cleaned, for best performance, change the filter at least 3 to 6 months. The powerful cleaning function makes household cleaning more time-saving and labor-saving. It is suitable for a of floors such as ceramic tiles, , and wood floors. Name:Roller Brush Model:For H100 PRO Type:Vacuum Cleaner Accessories Vacuum Part Type: Filters Type: Vacuum Cleaner Parts Application: Wooden Floor, Ceramic Tile, , Etc Applicable Occasions: Living Room, Bedroom, Kitchen, Etc color:Grey Material:plastic Package Contents: 1 x Roller Brush 1 x HEPA 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.