Just like replacement parts, these attachments are designed specifically for the J15 Pro Ultra Robot vacuum cleaner. Please confirm the model number before purchasing. Regularly replacing these accessories is essential to maintain your robot vacuum's . While you can wash and reuse some parts, wear and tear can't be fixed. We recommend replacing the rubber brushes for every 6 months, and the sweeping side brushes and filters every 2 months to your vacuum stays in excellent condition. Our accessories feature materials for exceptional performance. Rubber brushes remove stains while protecting floors. The larger dust bag fits snugly, preventing leaks. High-absorbency cloths guard against water damage. Soft side brushes tackle dust in tight spaces. The filter eliminates 99.97% of particles as small as 0.3 microns. Our kit boasts essential components to tackle diverse cleaning needs. It includes 1 Main Brush, 4 Dust Bag,4 Filter,4 Side Brush,4 Mop Cloth,offering the ideal balance of consumables for routine maintenance. If you have any questions during your purchase, please don't hesitate to reach out to us. we reply Solve the problem as soon as possible. Color: As shown Material: plastic Package Contents: 1 set * for j15 pro ultra 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.