The replacement filter compatible with Dy.son V7 Animal, V7 HEPA, V8 Absolute vacuum cleaners. The HPEA post-filter is only available for Dy.son V7 and V8 vacuum cleaners. Not suitable for V6 vacuum cleaners. Replaces part numbers 965661-01 and 967478-01. The high-efficiency premium HEPA pre-filters and post-filters to block fine particles, floating dust and most allergens, mites, pollen, etc. To ensure that your vacuum cleaner works properly and optimally. It is recommended to replace the filter once every 2-3 months or depending on usage. Package Content: 2 x Dy.son Filter, 2 x Dy.son V8 HEPA Post-Filter. Washable and reusable pre-motor filter. Easy to replace, install and remove. Come back to having clean air to breathe again. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.