Arm & Hammer Odor Eliminating Vacuum Filter, Hoover Floormate: * Baking soda particles neutralize odor-bearing chemicals * Releases clean, odor-free air into your home as you vacuum * Replace filter every 90-120 days for optimal performance * For use in Hoover Floormate SpinScrub and Floormate Powerbrush (FH40000, FH40005, FH40010, FH40030, H2800, H2850, H3000 Series) Hard Floor Cleaners