Aqua Fresh WF287 Replacement for GE MWF (Pack of 2) Fits: GE, Hotpoint Refrigerators Reduces Class I particulates down to 0.52 microns/Flow Rate: 0.5 gallons per minute Replace every 6 months or 500-Gallon based on water quality and usage Independently tested against ANSI/NSF standard 42 for reduction of chlorine tastes and odors Pack of 2 filters Comparable to the GE MWF, MWFP, MXRC, Aquafresh WF287, and Water Sentinel WSG-1 Filter lasts for 300 gallons or 6 months. Reduces Chlorine taste and odor with an Activated Carbon Block Filtration media Also Reduces other impurities in your water Independently Tested NSF/ANSI Standard 42