Keep your Filter Queen vacuum running smoothly with the Semi Annual Biocone Filter Pack. These vacuum cleaner bags are compatible with Filter Queen models and are designed to effectively trap dust and debris for a cleaner home. With universal compatibility, you can easily replace your old bags with these high-quality filters to maintain optimal performance. Perfect for households looking to keep their vacuum in top condition, this pack is a must-have for any cleaning routine. Upgrade your cleaning experience with these reliable replacement bags.