Made of high quality materials, professional and easy to use, long service life. Exquisite and delicate, perfectly matched with the equipment. The recommended replacement cycle is every 2-3 months to maintain the best performance of the machine Help your robot vacuum cleaner maintain good cleaning performance. As part of normal maintenance, easy to remove and replace. Color: A: red + black Material: plastic Package Contents: 1 x Dust Filter 1 x HEPA 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 a little different from the real thing. The measurement allowed error is +/- 1-3 cm.