BISSELL Style 8 Post-Motor Filter for Upright Vacuums, 3091 This filter is NOT washable - Its a good idea to buy an extra filter to always have one ready to use! Did you know that your vacuum, bagless or bagged, has filters that should be checked frequently! Depending on your household, your friends at BISSELL recommend replacing your vacuum filters every 3 to 6 months or when performance begins to decline Routinely changing your vacuum bag prevents dust and debris from cycling back out of the vacuum and into your home! Clean this filter by tapping it gently on the edge of a trash can or replace them See the description below to see if this accessory fits your vacuum!