Brand new sealed Glacier Fresh Water Filter Model GF-XWF 3 pack water filters Premium replacement water filter for GE XWF: Featured with 0.5 micron small pore size, the premium coconut shell carbon block filters are NSF 42 certified to capture certain heavy metals, microbes, VOCs, trace pharmaceuticals and industrial chemicals. Maintains All The Essential Micro-nutrients: XWF water filter genuine ge NSF 42 certified to Reduce Chlorine u226597% to improves water's smell and taste