Hydro Cure 10" Granular Activated Carbon Filter Cartridge The Hydro Cure 9-7/8" X 2-3/4"  Granular Activated Carbon Filter Cartridge from is excellent for removing Chlorine, bad tastes and odors from your water. This filter is most commonly used as a post filter for R.O. systems with 10" standard size housings. This GAC Filter is an economical alternative offering chlorine, taste and odor reduction at an economical price. FEATURES: Reduces Chlorine, Taste and Odor Granular Activated Carbon Temperature range 40 to 125 degrees 20 micron