The side brushes are perfectly matched and the installation is the same as the parts, which is easy to install, easy to use. The mop cloth has strong and long-lasting cleaning power, which can easily respond to stains such as footprints on the floor, juice residue, and oil stains. HEPA filter is made of high-strength environmental-friendly materials, which can block most of dust down to 0.3 micrometer. The filter can maintain the cleaning performance of the , while reducing the penetration of dust, pollen and other into the air you breathe Replacement Filter: A dirty filter will greatly reduce suction power. Depending on the vacuuming frequency and amount of dirt cleaned, for best performance, change the filter at least every 3 to 6 months. The powerful cleaning function makes household cleaning more time-saving and labor-saving. It is suitable for a of floors such as ceramic tiles, marble, and wood floors. Applicable Models: For 3290 For 3390 For 3490 For 3590 For 3690 For 3790 For 3890 Ultra For 3890 Vital For 3890 Titanium Material: Plastic + Microfiber colour: Blue+white Package Contents: 6 x Mop Cloth 6 x Filter 6 x Side Brush 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.