Clear Choice CLCH102 MWF Refrigerator Water Filter GE MWF Fridge Filter Replacement, NSF 42 Certified Nsf 42: System tested and certified by iapmo against nsf/ansi standard 42 for the reduction of chlorine taste and odor 6 month/350 gallon filter removes chlorine, odor, contaminants and particulate Compatible with ge and Kenmore refrigerators Replaces part numbers: Mwf, ge smart water, ge gwf, 469991 and others Made in the USA