Inline Water Filter For Refrigerators, Ice Makers, Coffee Makers, Water Fountains, Water Coolers, Sink Faucets, RV, Campers, and Boats - with 1/4" Quick-Connect Fittings Provides Crisp Clean Water. Easy to install. Each end has Quick-Connect Fittings which take a 1/4 Inch Water Line Tested and Certified by NSF International against ANSI/NSF Standard 42 for Taste and Odor Reduction and Chlorine Reduction Class I. Fits Most Refrigerators, Ice Makers, Coffee Makers, Water Fountains, Water Coolers, Sink Faucets, Ice Machines, RV, Campers, Boats, Etc. Exact replacement for the filters in the PureWater Filters Refrigerator and Ice Maker Kits, and the Do-It-Yourself Kit For Non-Commercial Keurig Coffee Brewers FREE Lifetime Warranty and Telephone Support <span class="a-text-bold">Granular Activated Carbon</span>: Made from raw organic, high-carbon materials and small, extremely porous granules with high surface area to remove chlorine, tastes and odors, and a wide range of toxic organic chemicals (VOCs). <span class="a-text-bold">Long Service Life:</span>Replace filter every 1 Year / 1500 gallons. <span class="a-text-bold">1/4 Inch Water Line</span>:Each end has Quick-Connect Fittings which take any standard 1/4 Inch Water Line (sold separately).L<span class="a-text-italic">eak-proof</span> Quick-Connect fittings make replacing the filter a snap!