Compatible Models: These accessories are specifically designed for the Roborock Qrevo Master robot vacuum cleaner. Engineered to match the performance of the parts, they ensure a seamless installation and a perfect fit for your vacuum cleaner Each product is made from high-strength materials to ensure optimal performance and contribute to a healthier lifestyle Regular Replacement: To keep your robot vacuum performing at its best, it's important to replace these accessories regularly. We recommend changing the rubber brushes for various surfaces every 6 months, and the sweeping side brushes and filters every 2 months. This will help ensure your vacuum remains in excellent condition and continues to deliver optimal results Mop Cloth & Washable Filter: The microfiber mop cloth is highly absorbent, easy to attach, and effectively removes stains, footprints, and dust. The washable filter, coated with Teflon, efficiently captures dust, pet hair, and tiny particles, enhancing indoor air quality Disposable Vacuum Bag: Constructed from high-quality melt-blown fiber and non-woven fabric, this bag filters out 99% of pollutants. Its large capacity efficiently traps debris, hair, and dust, maintaining a clean floor Colour:Photo Color Material:plastic Package Contents: 1pair x roller brush 4 x filter 4 x rag 6 x side brush 6 x dust bag 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.