CERTIFIED QUALITY - IAPMO R&T, a leading American testing laboratory, has certified that this filter meets NSF/ANSI 42 standards for Material Safety, Structural Integrity, and System Performance for the reduction of Chlorine, Taste & Odor. Don't risk the quality of the water you drink by buying uncertified filters! LONG LASTING AND AFFORDABLE - Our filters last for the same amount of time as name-brand OEM filters (six months), but cost substantially less money. Stop wasting money on unnecessary name-brand filters! COMPATIBILITY GUARANTEED - This PureSpring filter is a compatible replacement for the following GE Smartwater and Kenmore filters - GE MWF, GE MWFA, GE GWF, GE GWF01, GE GWF0, GE GWF06, GE GWFA, GE GWF06, GE MWFP, GE MWFAP, GE HWF, GE HWFA, GE FMG-1, Kenmore 9991, Kenmore 46-9991, Kenmore 469991. This is a compatible spare part manufactured by PureSpring. The original manufacturer's name and part numbers have been used for compatibility information only.