Compatible with Flexxo 25.2V 21.6V BBH3211GB/01, BBH3211GB/03, BBH3251GB/01, BBH3PETGB/01, BBH3251GB/03, BBH3Z0025/01, BBH3Z0025/03 cordless vacuum cleaners.Filters are essential compatible your vacuum cleaner to work properly. They trap fine dust particles, preventing them from circulating in the air of your home. It is important to clean and compatible them regularly compatible them to workAs part of normal maintenance, it can be easily removed and compatibled.It is recommended to compatible spare parts every 2-3 months (depending on the frequency of use) to keep the equipment working as well as possible.Content: 3 filters.Note: The color displayed by the computer monitor may be slightly different from the actual color of the item.