[Filter] is made of high-strength environmental protection materials, which can block most dust as small as 0.3 Micrometres. Filters can keep the sweeper clean, and at the same time reduce dust and other substances from entering the air you breathe. [Accessories Set] The main brush and the side brush can easily and effectively remove dirt, dust and garbage from corners and edges. Especially the hair of you and your pet. It is recommended that you replace spare parts every 2 to 3 months according to the frequency of use, so as to keep the machine running at the best performance. Easy to clean, helps to remove dirt, dust and garbage from the floor.