[Compatible Models]These acceeories part compatible with for Q5 Pro/Q8 Max/Q5 Pro+/Q8 Max+ robot vacuum cleaner. They are engineered to perform as effectively as the original accessories, ensuring simple installation and a perfect fit for your vacuum cleaner(Not Part Number Part) [Premium Materials]Our accessories feature materials for exceptional performance. Rubber brushes remove stains while protecting floors. The larger dust bag fits snugly, preventing leaks. High-absorbency cloths guard against water damage. Soft side brushes tackle dust in tight spaces. The filter eliminates 99.97% of particles as small as 0.3 microns [Reasons to Buy]Regularly replacing these accessories is essential to maintain your robot vacuum's performance. While you can wash and reuse some parts, wear and tear can't be fixed. We recommend replacing the rubber brushes for various surfaces every 6 months, and the sweeping side brushes and filters every 2 months to your vacuum stays in excellent condition Hepa