Denali Pure Replacement Whirlpool WRX735SDBM Refrigerator Water Filter - Compatible Whirlpool 4396395 Fridge Water Filter Cartridge (Pack of 2) <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