Bissell Febreze Style 7 & 9 Post-Motor Filter for Upright Vacuums Premium allergen filtration. Febreze vacuum filter - eliminates odors and freshens as you vacuum! Did you know that your vacuum has filters that should be checked out frequently? Depending on your household, it is recommended that you replace your vacuum filters every 3 to 6 months. regular replacement of your filters helps your vacuum operate at peak efficiency. Refer to you BISSELL vacuum user guide for replacement instructions. This filter is not washable - it's a good idea to buy an extra filter to always have on ready to use! See description below for vacuums that fit this accessory!