For a longer life of your SpeedPro or SpeedPro Aqua battery vacuum cleaner.The washable foam filter must be washed every 2 weeks and replaced every 6 months.Simply wash the foam filter under running water or in the washing machine for long-lasting performance.Suitable for SpeedPro and SpeedPro Aqua battery vacuums: FC6721, FC6722, FC6723, FC6724, FC6725, FC6726, FC6727, FC6728, FC6729Color: blackMaterial: plasticPackage Contents:4 x HEPA FiltersOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.