This filter reduces contaminants and removes chlorine taste and odor to provide cleaner, fresher water. The coconut carbon activated filtration media removes microscopic particles down to 0.5 microns. Compatible with select GE side-by-side and bottom-freezer refrigerators. Simple twist and lock design provides easy, tool-free, no-mess filter replacement. For best filtration results, filter cartridge should be replaced every six months or 300 gallons. Filter Media: Coconut Carbon Block. Micron Rating: 0.5. Filter Type: Canister. Flow Rate: 0.5 gpm. Approximate dimensions: 5 x 3.5 x 3.5 inches. Temp. Range: 33 - 100 °F. Press. Range: 30 - 120 PSI. Meets NSF Standard: 42. Approved for WQA Gold Seal. This part replaces the MWF filter.MWFP3PK (AP5788199) replaces 4862221, GWF3PK, MWF3PK, PS8746145.