1. New, high-quality materials, well-made, durable, and highly compatible with the equipment. 2. Clean accessories help maintain your home robot's best performance. As part of regular maintenance, the accessories are easy to remove and replace. They also help reduce the spread of dust, pollen, and other allergens into the air. 3. To achieve optimal cleaning and filtering performance, replace the cleaning accessories every 2-3 months depending on usage frequency. 4. The function of the sweeping robot filter is to capture dust, dirt, and other impurities吸入 by the sweeping robot, helping to keep the unit clean and operating normally. The filter also helps prevent dust and dirt from entering the motor and other internal components, extending the robot's lifespan. Compatible with DeLonghi Colombina Evo XLM353 XLM355 XLM403 XLM405 XLM407 XLM408 XLM409 Color: As Shown Material: Plastic Type: C Package Contents: 9x Filter, 1x Cleaning Brush Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement may vary by +/- 1-3cm.