ONLY WF3CB!!Product Description: 1.Model: Frigidaire WF3CB 2.Used only high-grade coconut carbon block. 3.Removes over 99% of the potentially harmful contaminants that .may be present in your water 4.Temperature: 1-38 Degrees Centigrade (34-100 Degrees Fahrenheit) 5.Flow rate: 0.75 GPM (1.9LPM) 6.Pressure: 30-125 PSI 7.Capacity: 300 Gallons 8.Replacement Cycle: 6 Months Descriptions1.Quick installation and easy replacement: installing this filter is very easy. Just aim in the right direction.2.Compatible Models:Compatible with Pure source3,WF3CB3.KINDLY REMINDER: Please drain about 4 gallons of water first to maximize the efficiency of the filter. Please replace the ilter every 6 months or 250 gallons to minimize impurities.4.Easy to Install – No special tools required. Just insert water line into built-in plugs eliminating the risk of leaks.5.Packaging upgrades. Installation Instruction:1.Shut off water source2.Remove the existing product by turning i left,and then take it out3.Remove the cap of a new product,insert it into and turn right to lock it in place4.Recover the water source,and check it there is leakage5.Run the working process for 4 minutes(about 8 cups of water )for purge6.Reset replacement indicator light by pressing the ICE TYPE button and the CHILD LOCK(or MOISTURE CONTROL)button simultaneously for 3 seconds