The EAFCBF Air Filter helps reduce odors such as onions garlic fish and stale milk. The Pure Advantage Air Filter helps to control the humidity of your refrigerator. The Electrolux Pure Advantage Air Filter is tested and certified by ANSI/NSF standards 42 and 53. The Electrolux EAFCBF Air Filter fits most Electrolux branded refrigerators. With the exception of french door models this filter does not fit ICON models. The Pure Advantage Air Filter should be replaced every six months.