APEC 10" Chloramine and Hydrogen Sulfide Reduction Water Filter To Replace Reverse Osmosis System 3rd Stage (FI-CHLORAMINE) Made in USA with advanced catalytic granular activated Carbon Delivers excellent chloramine reduction and effectively reduces hydrogen sulfide & chlorine A great alternative 3Rd stage ro filter to remove chloramine Easily eliminates unpleasant taste and pungent odor 10 micron nominal filtration treats up to 1,500 gallons of water