This pack includes everything your Majestic needs to maintain powerful cleaning ability and superior filtration for 6 months. When using this pack you receive the following benefits: -Highest Filtration -Allergy Relief -Odor Control -Bacteria Protection* *The BioCone Filter and Majestic Dirt Container are treated by a U.S. EPA registered agent to resist the formation of microbial odors and to protect the filter from microbial growth. The Majestic BioCone Annual Premium Filter Pack includes: 6 Primary Pre-Filter BioCones: This filter must always be used when operating the Majestic. It creates a nearly impenetrable wall against pollutants and protects the life of your Majestic motor. 1 Medipure Premium Filter Cone: The Medipure Premium Filter Cone contains a layer of non-woven, microfiber media that reduces dust mites, pollen, common bacteria, pet dander, odors, and other allergens. 1 Motor Guard (Flat Disc Filter): The Motor Guard (Flat Disc Filter) safeguards your Majestic motor to keep it in optimum working condition. How often to change your filters: BioCones: Change at least once a month. Medipure Premium Filter Cone: Change every 6 months. Motor Guard (Flat Disc Filter): Change every 6 months. Place order below or call (877) 746-6680.