Aries (AF-10-2212) 10" x 2.5" (2 lb) KDF-85-GAC FilterAries Filter Works Aries AF 10 2212 KDF 85 GAC Filter 10" x 2. 5" dual media cartridge with 2 lb KDF 85 and coconut shell GAC for iron, hydrogen sulfide, and chlorine removal KDF 85 & GAC Iron & HS Removal 10" x 2. 5" Standard Bacteriostatic The Aries AF 10 2212 combines 2 pounds of KDF 85 redox media with ResinTech coconut shell granular activated carbon in a 10 inch by 2. 5 inch cartridge designed for standard filter housings. This dual media