Compatible with: Replacement robot vacuum accessories compatible with for X9 Pro robot vacuums, please check your robot model before purchase. High Efficiency Filtration: Brush can capture variety of debris, dirt, dust, pet hair and other small particles. The side brush reaches deep into corners and edges to remove more dirt, dust and debris. The filter can block particles as small as 0.3 Micrometres. Extended Service Life:Clean and replace parts regularly to improve suction power and extend the life of your sweeper. We recommend that edge sweeping brushes and filters should be replaced every 2 - 3 months and roller brushes should be replaced every 6 months for best results. Super Affordable Kit: The products are made of high-strength and environmentally friendly materials, Includes 1 roller brushes, 4 HEPA filters, 6 side brushes. Colour:Black Material:Plastic Package Contents: 1 * Roller Brush 4 * filter 6 * side 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.