Features: -Reduces chlorine taste and odor in residential and commercial drinking water. -20 micron post filter helps reduce carbon fines and other particles. -GAC media with polystyrene outer casing and end caps for strength. -Initial pressure drop at 0.5 gpm 3.0 psi. -Chlorine reduction capacity 250 gallons at 0.5 gpm. -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: -2.88 . Overall Depth - Front to Back: -2.88 . Overall Product Weight: -0.46 lbs. Specifications: NSF Certified: -Yes.