Arm & Hammer Odor Eliminating Vacuum Filter, Bissell 3130: * 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 Easy Vac (3120, 31202, 31203, 3130, 31031-31033, 31305, 31306, 31309 Series)