IL - KDF/GAC filtration for refrigerators with ice-makers and/or water through the door, water fountains, water coolers, commercial coffee makers and ice machines. High-pressure quick-connect fittings can be used on either 1/4" o.d. copper or plastic tubing. Recommended flow rate: 0.5 gpm. Rated to treat 8,000 gallons; 2 year prorated warranty. Includes chlorine test strips to verify when it's time to replace cartridge. 11" long, 2" diameter. 
Compare At - $59.00. Click HERE to download installation instructions (PDF file)