Made of high quality material, professional and to use, long service life. Exquisite and delicate, highly matched with equipment. recommended replacement cycle is every 1-2 moom to maintain the performance of the machine. Help your robot vacuum cleaner maintain the good cleaning performance. As part of normal maintenance, Easy to remove and replace. Product name:Vacuum Cleaner Parts Compatible: For HAPF600 HAP615,HAP625,HAP650,HAP675RC,HAP725,HAP750,HAP1625,HAP1650,HAP1725,HAP1750 Colour: black+white Material: plastic+foam Package Contents: 4 * Hepa Filter Only the above package content, other products are not included. Note: Light 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.