1. Use sweeping machine filter accessories designed specifically for Dreame H20Ultra H30Ultra models to improve home cleanliness. These filters are crucial for regular maintenance, helping to maintain a clean environment and reduce allergens and dust in living spaces. 2.Our replacement filter can effectively capture and filter fine particles, ensuring fresher air. These filters are very suitable for households that are concerned about indoor air quality and can support a healthier living environment. 3.Our robotic vacuum cleaner filters are carefully designed and installed effortlessly, making it easy for even non professionals to replace them. This user-friendly design ensures that you can maintain the performance of your device without the need for professional assistance. 4. These replacement filters are durable and reliable, providing consistent filtration results over the long term. Its sturdy structure ensures long-term use, making it an economical and efficient solution for maintaining the efficiency of robotic vacuum cleaners. 5. These filters are very suitable for households with pets, specializing in filtering pet hair and small debris on carpets, sofas, and other furniture. They play a crucial role in maintaining household hygiene and staying away from pet related allergens. Function:Consumables Use environment:Home use Colour:As Shown Material:Plastic Package Contents: 4 * filter 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.