BISSELL Style 7 Filter Kit, 3093 It is recommended to clean or replace your filters every 3-6 months depending on use The foam filters are washable  clean by hand washing in warm water. A mild detergent may be used if desired. Allow the filter to air dry completely before replacing Its a good idea to buy an extra filter to always have a dry one ready to use! Depending on your household, your friends at BISSELL recommend cleaning or replacing your filters frequently and more often if you have pets that shed and family/friends that track in dirt and debris See the description below to see if this accessory fits your vacuum!