2-Pack Denali Pure Replacement Viking RWFFR Refrigerator Water Filter - Compatible Viking UKF8001 Fridge Water Filter Cartridge Denali Pure Replacement Viking RWFFR Refrigerator Water Filter, Quantity: 2 Replaces UKF8001 Fridge Water Filter Cartridge Refrigerator water filter retains beneficial nutrients in water while removing the taste of chlorine and odor leaving you with a fresh and clean tasting water. Reduces waterborne contaminants including cysts, asbestos, particulates, lead, mercury without removing beneficial minerals & restricting the flow rate of the water. Cut down water bottle waste and save money while also helping the environment by using water filters. For the highest quality water and best contaminant reduction replace the filter every 6 months. On Sale for a Limited Time! <span class="a-text-bold">NSF</span> - http://info.nsf.org/Certified/DWTU/Listings.asp?TradeName=WF-UKF8001&amp;Standard=&amp;ProductType=&amp;PlantState=&amp;PlantCountry=&amp;PlantRegion=&amp;submit3=Search&amp;hdModlStd=ModlStd <span class="a-text-bold">WQA </span>- https://www.wqa.org/find-products/ctl/detail/mid/1054/cid/pacific_citadel/sid/1/keyword/wf-ukf8001 <span class="a-text-bold">IAPMO </span>- File number: KW-11208