Made of high quality material, professional and durable, long service life. Exquisite and delicate, it is a perfect match for the equipment. The recommended replacement cycle is once every 1-2 months to maintain the best performance of the machine. Help your robot vacuum cleaner maintain its cleaning performance. .Easy to remove and replace as part of normal maintenance. Color: Yellow Package Contents: 5 x Pre-validated Filters Only the above package content, other products are not included. Note: The data are all manually measured, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.