4YourHome Pleated Post Motor Filter Bissell Style 8 & Style 14 3910 Series Vacuum Cleaner 4YourHome Pleated Post Motor Filter Bissell Style 8 & Style 14 3910 Series Vacuum Cleaner Style 8 & 14 filter Designed to Fit Bissell 3910 Series Change Vacuum filters every 3 to 6 months or when performance begins to decline This is a brand new replacement part designed to fit the above mentioned models, manufacturers names & part numbers are used for reference purpose only,