CONTAMINANT REDUCTION: Filter removes 99% of Lead, Mercury, Chlorine, THM, VOC, Pesticides, Herbicides, and small particles. COMPATIBLE GE MODELS: MWF, MWFP, MWFA, MWFAP, MWFINT, GWF, GWF01, GWF06, GWFA, HWF, HWFA, FMG-1, FMG NSF and WQA CERTIFIED: Clear Drop is NSF 42 and 372 Certified.