Pure Advantage Refrigerator Air Filter, BLACKThe Electrolux EAF1CB PureAdvantage refrigerator air filter is a proprietary replacement part for Electrolux refrigerators with the PureAdvantage filtration system. This air filter combines activated carbon, zeolite and baking soda to reduce acidic and basic odors, commonly found in foods stored in refrigerator or freezer. Features: Contains activated carbon and zeolite It is recommended to change the filter every 6 months Reduces odors from foods