The filter is made of high-efficiency filter material, which can effectively filter dust, etc., to prevent large dust particles from entering the motor, to ensure a long service life of the motor. vacuum cleaner.Wash in hot water and air dry completely before reuse. A mild detergent can be used if desired. To ensure that your vacuum cleaner is working properly and optimally, it is recommended to replace the filter every 4-6 months.High-end vacuum cleaner filters adopt a two-in-one design with a high efficiency to block fine particles, floating dust, etc.Filters should be replaced every 4-6 months. If you have pets, please shorten the changing time to improve dust collection efficiency.Spare number: 971517-01. Suitable for Dyson V12 Detect Slim. Package contents: 3 filters, 1 cleaning brush