The foam are washable and Please clean the with running water and let it completely air dry before reusing To the best performance of your vacuum, it is recommended to replace the vacuum filter and brushroll every 2-3 months , covers a large surface area for quicker efficient cleaning It is soft on floors but can remove the stubbon dirt from the floor easily Suitable for all sealed hard floors including wood floor,, marble and laminate Valuable Package: The vacuum brushroll replacements Include 1 multi-surface brush roll and 1 washable foam filter For WD201, WD101, WD200, WD100 This replacement accessories work as well as and perfectly fit your vacuums