The Swift Green SGF-W31 Refrigerator Filter (8171413 Compatible) protects the refrigerator and icemaker. This cartridge is environmentally friendly as it serves as an alternative to carbon-based filters that release greenhouse gases. It is manufactured using dried carbonized coconut shell, converting the emissions into thermal energy. The cartridge has a flow rate of 0.5 gallons per minute. The pressure range is 20 psi to 100 psi. The operating temperature is 33 degrees to 100 degrees F. The cartridge should be replaced every 6 months. Its? capacity is 300 gallons. It removes the taste and odor of chlorine, mercury, lead, cysts, asbestos, benzene, turbidity, rust, dirt, and Taxophene. It has been certified by NSF International to meet or exceed NSF/ANSI Standards 42. It is compatible with refrigerator brands like Whirlpool, KitchenAid, Sears, and Swift.