Compatible with Dyson Replacement Vacuum Filter for 911236-01 / 974 / DC17 Pre Motor Filter Vacuum Filter Features: Includes: 1 Pre-Motor Filter Filtration Type : HEPA Odor Neutralizing Filter with Activated Charcoal Washable Filter Change Filter Every 3 Months Compatible With The Following Vacuum Models: DC17 All Floors DC17 Animal DC17 Asthma and Allergy DC17 Total Clean Replaces The Following Vacuum Filter Models: 974 911236-01 DC17 Pre Motor Filter F974 Disclaimer:The vacuum accessories produced by our company are created as substitutes for use with specific vacuum cleaner models or brands. Any mention of products or trademarks of these companies is purely for the purpose of identifying the vacuum cleaner manufacturers with which our replacement vacuum accessories may be compatible. Our company and this website are independent entities and are not affiliated, authorized by, licensed by, distributors for, or in any way associated with these vacuum cleaner manufacturers or brands.