The Swift Green Refrigerator Filter SGF-WFCB (Frigidaire WFCB Replacement) is a great way to keep your refrigerator working in a good condition. This refrigerator filter needs replacement every nine months as old refrigerator filter cartridges can induce a smell and bad taste in drinking water. Older cartridges might leak contaminants and bacteria in the water, making it unfit for drinking. With Swift Green Refrigerator Filter SGF-WFCB (Frigidaire WFCB Replacement), you will be provided with up to 100 gallons water. It removes the odor and taste of drinking water due to Chlorine and reduces the presence of cysts, lead, chlorine, and particulate. The filter is easy to replace.