The Swift Green SGF-F1 Refrigerator Filter is made of eco-friendly coconut shell carbon block media and is compatible refrigerator filter for the Frigidaire PureSource WFCB. These cartridges are easy to change and replace with their quick change design. These filters are built to last and can withstand thousands of water pressure cycles. SGF-F1 reduces Asbestos, Benzene, Chlorine/Taste/Odor, Cyst, Lead, Mercury, Toxaphene, Turbidity. Swift Green SGF-F1 refrigerator filters should be changed once every six months and have a capacity of 400 gallons.  Eco-Friendly: All components of this filter are 100% recyclable and made through an environmentally conscious process.   Made in Canada: The Swift Green SGF-F1 filter & and all of its components have been proudly manufactured in both the USA and Canada.       Environment in Mind: Swift Green is a brand committed to providing the most eco-friendly water filtration that also brings you the purest and healthiest water. All components of this filter are 100% recyclable! Most carbon filters are manufactured in a process called open pit charring, which releases pollution and greenhouse emissions into the air. Swift Green filters are produced with a new technology that carbonizes dried coconut shells in an enclosed, self-sustaining system while capturing and converting the emissions into useful thermal energy!    Compatible with the following Filter Cartridges: 

• Tier1 TIER1-RWF1030
  
• Earth Smart F-2
  
• Smart Fit RL-1
  
• Eco Aqua WFCB-EFF
  
• ZUMA OPFF-RF300
  
• Home Depot HDX F2
  
• Home Depot HDX 107029