The KDF 85TM/Granular Activated Carbon Cartridges have superior taste and odor removal capabilities. The dark granular KDF in this cartridge specializes in the removal of iron and hydrogen sulfide. The black granular coconut shell activated carbon reduces organic and chlorine. This is an excellent taste and odor filter that removes a wide range of contaminants. KDF media controls scale, bacteria and algae, even in hot water. KDF media causes cellular damage to microbiological organisms which can kill or inhibit any growth. These types of filters are perfect for either drinking water units or whole house filters. For more information on KDF media,please click here or go to www.KDFFT.com Removes/Reduces: Sediment Chlorine Hydrogen Sulfide Iron Lead Mercury Arsenic Copper Scale Lime VOCs THMs and much more! Specifications: Micron Rating: 10 Nominal Dimensions: 20" x 4.5" Total Weight: 10 lbs 6 oz Operation Temperature: 40F to 100F Max Recommended Flow Rate: 4 GPM Filter Media: KDF-85 TM Granular Activated Carbon Filter Life: 40,000 Gallons