This 2.5" x 10" premium coconut shell GAC (granular activated carbon) + 6 oz. KDF 85 + Resintech CG10-H Softening Resin refillable filter uses high grade filtration media for chlorine, taste, odor, iron, sulfur, hydrogen sulfide (rotten egg smell), and hard water.
This mix of coconut shell carbon (GAC), KDF 85, and CG10-H Softening Resin is most often used for iron, manganese and hydrogen sulfide reduction, which works well for removing the "rotten egg smell" from the water as well as removing hardness from the water.
This filter fits any standard housing made for 2.5" x 10" cartridges. Save money with this refillable filter.