PENTEK-C2 Features: -Reduces fine sediment and chlorine taste and odor in residential drinking water. -Nominal filtration rating of 5 microns. -Carbon-impregnated cellulose media with a polyester backing and external polyethylene netting for strength. -Initial pressure drop at 2 gpm 2 psi. -Chlorine reduction capacity 1,250 gallons at 0.5 gpm. -Operating temperature range 40 to 125 degrees F (4.4 to 51.7 degrees C). Product Type: -Under-sink. Filter Component: -Replacement filter. Dimensions: Overall Height - Top to Bottom: -4.88". Overall Width - Side to Side: -2.5". Overall Depth - Front to Back: -2.5". Overall Product Weight: -0.24 lbs. Specifications: NSF Certified: -Yes.