ClearChoice Universal Inline Water Filter If your refrigerator does not include a built-in filtration system - you might be using an "inline" filter. An inline filter connects to the incoming water line for the refrigerator and filters the water that feeds the ice machine and water dispenser. You will often find an inline filter on the back of the refrigerator. The CLCH2533 is a universal replacement for many 10" filters. The CLCH2533 filters comes with 1/4" "Quick Connect" ends, which will accept any 1/4" plumbing supply line - copper, poly, or cpvc water line. Simply push the line into the end of the filter - and you are done! The CLCH2533 uses coconut shell granular activated carbon technology to reduce unpleasant taste and odors. Specifications: Service Life - 6 months - 1 year / 2,000 Gallons Max pressure - 125 PSIG Min Pressure - 30 PSIG Max Temp - 100 F Min Temp - 35 F Installation: The CLCH2533 is a universal "inline" filter that can connect to any 1/4" OD water line. 1). Turn off cold water supply to refrigerator 2). Locate an easily accessible section of tubing between the shut-off valve and the refrigerator 3). Cut tubing using a tubing cutter for copper, use a sharp knife for plastic tubing 4). Cut tubing square, not on an angle (angle cuts can cause leaks) 5). Smooth any burrs on copper tubing with steel wool or a file 6). Insert tubing into inlet site of filter by pushing firmly until tubing stops and locks in place 7). Hold the filter over a bucket and turn on water supply - let water run until clear 8). Turn off water supply and connect tubing leading to refrigerator on the outlet side of the filter 9). Turn water back on and check for leaks