Perfect compatibility: our replacement filter is fully compatible with X-pert 3.60 RH6921WO RH6933WO RH6971WO RH6971WO RH6973WO RH6974WO RH6985WO and replacement ZR005202. Good solution: the filter is made of professional filter paper, ABS plastic and a well-sealing silicone ring, which is strong and and can reduce the frequency of filter element change. High quality film: effectively absorbs fine dust and pet hair, removes 99.97% dust and dirt and keeps the air fresh. Easy to install. The vacuum cleaner filter can be reused after cleaning and drying. We recommend cleaning the filter once a month and replacing it every 3 to 6 months. To maintain suction power, regular cleaning and regular filter change is essential. Practical set: 2 replacement filters and 1 cleaning brush. You can scrub and tap the filter regularly with a brush to remove accumulated dust. Color: As shown Material: plastic Package Contents: 2*hepa filter 1*clean brush 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.