Compatibility: Compatible with Dyson vacuum cleaners CY18, CY22, CY23, CY24, CY25, CY26, CY27, CY28, DC75, DC77, DC78, CY18, DY77, DY78. High-efficiency filter: Replacement part for Dyson: 967371-01. This replacement filter is made from durable, environmentally friendly materials to ensure the best performance from your vacuum cleaner. It traps up to 99.9% of dust and dirt to keep your home clean and fresh. Washable and reusable: This replacement filter is easy to install and maintain. Clean the filter once a month and replace it every 2 to 3 months to keep the inside of the vacuum cleaner dust-free. Effective Air Purification: The filter can filter common dust in the air, such as dander, hair, and fine debris, preventing them from circulating in the air, creating a healthier home. Package Contents: 2 x Pre-Motor HEPA Filters, 1 x Cleaning Brush. We offer 100% customer satisfaction, if you have any questions, please feel free to contact us.