PERFECT FIT - For W20 Pro Ultra, easy installation. Strong absorption: high temperature resistance, no fading, no lint, easy drying, EASY TO CLEAN AND REPLACE - Hand wash in warm water and let air dry completely before reusing. Clean replacement parts regularly to improve suction and extend the life of your For best results, edge sweeping brushes and filters should be replaced every 2-3 months. Main brushes should be replaced every 3-6 months. Color: as shown Material: Plastic Package Contents: 2 * Roller Brushes 4 * Filters 4 * Rags 4 * Side Brushes Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.