Arm & Hammer Odor Eliminating Vacuum Filter, Bissell Style 15: * Designed according to strict HEPA standards * 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 * Filter is washable * For use in Bissell Healthy Home Vacuum (5770, 5990, 6100, 6405, 6406 Series) and the Heavy Duty Multi Cyclonic Vacuum (50C9, 50C91 Series)