Perfect Compatibility: Designed specifically for Crosswave Hard Floor Expert Vacuum models 3831 HF2, 3845, 3847, and 3848. These replacement parts match original-part numbers B0555, 1637755, and 1632973, ensuring a seamless fit and optimal performance in your vacuum cleaner. High-Quality Construction: Crafted from material, these replacement parts maintain the integrity and functionality of your vacuum. The roller brushes and filters are engineered to perform just like the for-originals, without scratching floors or furniture, ensuring a thorough clean every time. Maintenance Made Simple: Extend the life and efficiency of your vacuum with our washable and reusable parts. For best results, we recommend replacing the roller brushes and filters every 2-4 months, allowing your machine to continue operating at . Comprehensive Set: This valuable package includes 2 roller brushes and 4 filters, accompanied by a cleaning tool to assist in maintaining your vacuum parts. This set provides everything needed to refresh and maintain your for Crosswave vacuum. Colour:As Shown Material:Plastic Package Contents: 2 * brush rolls 4 * filters 1 * 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.