Product Description Professional roller brush filter for Bissei X7 Crosswave kit Same size/quality, same material as the original. More efficient - The premium multi-functional roller brush uses innovative microfiber and nylon bristles to effectively remove debris and minimize annoying pet hair tangling. Premium vacuum cleaner HEPA filter, H12 filtration efficiency, captures pollen and 99.97% of 0.3-micron particles. Ideal for households with pets and smokers. Easy to replace and clean - Snap-on design for quick and easy daily replacement without tools. Simply rinse with water and air dry completely before use. To maintain optimal vacuum cleaner performance, remember to replace the filter every 3-6 months. Color: As shown in the picture. Material: Plastic. Package contents: 4 main brush heads, 4 filter cartridges, 2 cleaning brush heads. Only the above package contents are included; other products are not included. Note: Light during shooting and different monitors may cause the color of the item in the picture to be slightly different from the actual product. The measurement error is +/- 1-3 cm.