This Freshflow Air Filter Keeps Pollutants Out Of Your Refrigerator While Allowing Air To Actively Pass Through The Filter. Made From Carbon-Based Material That Reduces Common Food Odors, It'S 15 Times Better Than Baking Soda At Eliminating Odors. This Air Filter Measures 3"W X 2"H And Is White In Color. It Should Be Replaced Every 6 Months To Ensure Optimum Performance In Your Refrigerator. This Is An Accessory That Can Be Used With Several Brands; Check To See If Your Model Number Is Compatible. Using This Filter Will Require No Disassembly Or Repair Experience.