Dust Bags: Our dust bags feature a highly efficient multi-layer filtration system that captures 99.999% of fine dust and allergens, preventing them from re-entering the atmosphere. The secure seal technology also ensures that no dust escapes during disposal, making it a hygienic choice for waste disposal. Mop Pads: Made with ultra-absorbent microfiber, our mop pads ensure streak-free cleaning without redistributing dirt. Ideal for all hard floor surfaces, these pads deliver spotless results without leaving any water spots or residue. HEPA Filters: Improve indoor air quality with our premium HEPA filters that capture dust, pollen, and other airborne irritants. Essential for homes with allergies, these filters help create a healthier living environment by purifying the air. Regular Replacement and Maintenance: To ensure your for Roborock Qrevo Curve/P20 Pro performs at its best, regular maintenance is essential. We recommend replacing the side brushes every 3-4 months and regularly checking other parts for wear. Colour:Photo Color Material:plastic Package Contents: 4 x dust bag 4 x filter 4 x wipe cloth 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.