The products are made of high-strength and environmentally friendly materials to optimal performance and a healthier . The mop cloth has good softness, while cleaning the dirt, it also protects the floor from being scratched. Side brush can go deep into the corners and edges to remove more dirt, dust and debris 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 As part of normal maintenance, it can be removed and replaced Name: For NARWAL Robot Accessories Model:For NARWAL J3 Type:Vacuum Cleaner Accessories Type:Main Brush For NARWAL J3 Vacuum Part Type: Filters Type: Vacuum Cleaner Parts Application: Wooden Floor, Ceramic Tile, , Etc Applicable Occasions: Living Room, Bedroom, Kitchen, Etc color:As shown Material:Plastic + Microfiber Package Contents: 1 x Main Brush 4 x Side Brush 1 x HEPA Filter 2 x Mop Cloth 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.