Aries (AF-10-1042-BB) 10"x4.5" Big Blue Chloramines & Hydrogen Sulfide Removal Catalytic Carbon FilterAries Filter Works Advanced Catalytic Carbon AF 10 1042 BB 10"x4. 5" Big Blue Catalytic Carbon Filter Targets chloramines and hydrogen sulfide with Calgon Centaur catalytic carbon in a high flow Big Blue cartridge Chloramine Removal HS Reduction Whole House Flow Sonic Welded ABS The Aries AF 10 1042 BB uses Calgon Centaur catalytic carbon, the industry standard for chloramine and hydrogen sulfide removal in municipal water systems. Built for 10 inch