Usage Tips:Compatible models: replacement accessory set is only for Qrevo S and Qrevo Pro vacuum cleaner robots, please confirm the model number before purchasing. Main brush and side brush: made of high-quality ABS (acrylonitrile butadiene styrene) rubber main brush, cleans dirt efficiently, works smoothly silently, does not with the hair. Side brush can penetrate deep into the corners to rubbish, ensuring a clean living environment. Wiping pad and filter: Wipes are made of microfibre fabric with tightly stitched edges that can absorb water efficiently and remove stains powerfully. Filter is made of high-strength and environmentally friendly materials that can effectively filter 99.99% of pet hair, dust and . Large capacity: 2.7 L bag consists of two layers of melt-blown fibres and two layers of non-woven fabric. The four-layer filter system works with the cleaning station to effectively catch 99.99% of dust particles. Package includes: 1 main brush, 6 dust bags, 4 mop pads, 4 side brushes, 4 HEPA filters, 1 cleaning accessories, 1 screwdriver, a total of 21 pieces. It is recommended to replace the accessories every 1-2 months, this depends on your frequency of use and the cleaning environment. Colour:As Shown Material:Plastic Package Contents: 1 * Roll Brush 4 * Side brush 4 * Mop Cloth 4 * Filter 6 * dust bag 1 * Clean brush 1 * screwdriver 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.