Filters are essential for you vacuum clean er to function properly. It is important to clean and replace them regularly for them to work. Fit for 25.2V 21.6V Cordless Flexxo Vacuum Cleaner BBH3211GB/01, BBH3211GB/03, BBH3251GB/01, BBH3251GB/03, BBH3Z0025/01, BBH3Z0025/03.
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