CBC Series cartridges are highly effective at reducing unwanted taste, odor and chlorine: taste odor, from potable drinking water. The unique structure of the carbon block enables it to reduce Giardia, Cryptosporidium, Entamoeba, and Toxoplasma cysts and fine sediment particles down to 0.5 microns. CBC Series cartridges are manufactured using a patented process and made entirely from FDA-compliant materials. They are an ideal choice for a wide range of residential, food service, commercial and industrial applications. They also make excellent polishing filters or pre-filters in applications requiring fine filtration and high capacity. * Based on manufacturer's internal testing. Model Dimensions Pressure Drop Filter Life CBC-20BB 4-5/8"x20" 8.5 psi@4 GPM 150,000 Gal. Materials of Construction: Filter Media Bonded PAC End Caps Polystyrene Netting Polyethylene Inner/Outer Wrap Polyolefin Temperature Rating 40F to 180F