In order to keep you and your lover&family healthy, please throw away your old clogged and dirty filters and replace them with our premium filters. -100% brand new and high quality -Made of high-quality materials, more durable -Exquisite and delicate, highly match with the equipment Specification: -Main Material: Professional Plastic -Made of environmental protection material Fit The Models: - Parts for Dyson V7 V8 Robot Vacuum Cleaner Note: -Make sure this fits by entering your model number. -Regular replacement of parts helps your machine operate at peak efficiency. We recommend that you change the parts every 3 to 6 months. -This is not an Dyson Original product.Any use of the Dyson brand name, model or part designation for this product is made solely for purposes of demonstrating compatibility. -When you use it for a long time, the sponge filter layer in the back cover will age and crush. After this happens, the filtering effect will be greatly reduced. -Replacement your vacuum cleaner filtration system, due to the improvement of the overall sealing, the suction and the filtration performance of the vacuum cleaner can also be improved a lot.