Give you clean, great-tasting waterNSF 42 certified to reduce chlorine, taste and odor in your water for refreshing taste, much like mountain spring water from your fridge.NSF 372 certified for lead free.Provide up to 6 months or 300 gallons of clean water for you and your family, whichever comes first will vary based on water condition.Compatible with the Following Models:GE®MWF, GWF, GWFA, GWF01, GWF06, MWFA.Kenmore®9991, 469991, 46-9991Please note this is a compatible spare part and the manufacturers’ names and part numbers have been used for reference purposes only. Waterdrop is an independent brand.*Find detailed NSF 42 information:1. Visit http://info.nsf.org/Certified/DWTU/2. Type “WD-MWF” into “Brand Name / Trade Name / Model” bar and click the “Search” button.*Find detailed NSF 372 information:1. Visit http://info.nsf.org/Certified/Lead_Content/2. Type “WD-MWF” into “Product Search” bar and click the “Search” button.Performance Certified by NSF InternationalOur filter is certified by NSF International, a respected independent product testing organization dedicated to public health and safety. Material Safety Certified to NSF 372Our filter is tested and certified to NSF 372 for low lead compliance, which ensures material safety and gives you worry-free experience.Tasty Water Certified to NSF 42Our filter is tested and certified to NSF 42 for the reduction of chlorine, taste and odor, which ensures crisp water taste. On Apr-28-20 at 00:44:09 PDT, seller added the following information: