Nominal 20 micron Pentek Coconut Shell Granular Activated Carbon Water Filter Cartridges, The Pentek water filters produce healthier, better-tasting drinking water, The Pentek replacement filters have effective bad taste and odor and chlorine taste and odor reduction (based on manufacturer"s internal testing), The Pentek filter cartridge has greater VOC reduction than standard GAC cartridges (based on manufacturer"s internal testing), The Pentek water filters have a post-filter to reduce carbon fines, The Ametek water filter cartridges also reduces MTBE, The Pentek filter cartridges contain coconut shell based activated carbon, which produces drinking water of exceptional taste and quality and provides better VOC reduction than standard GAC cartridges, (based on manufacturer"s internal testing), Before the water exits the Pentek CC-10 cartridge, a 20-micron post-filter helps remove carbon fines and other suspended particles from the filtered water, The post-filter is permanently fastened to an innovative support basket ensuring that it is firmly secured, eliminating any potential for bypass, Dimensions: 9, 75"" x 2, 875"" (248 mm x 73 mm), Micron Rating (Nominal): 20 Micron, Temperature Rating: 40F to 125F (4, 4 C to 51, 7C), Initial ?P (psi), Flow Rate (gpm): 4, 5 psi, 1 gpm (0, 3 bar, 3, 8 L/min), Chlorine Taste and Odor Reduction, Flow Rate (gpm): 7,500 Gallons, 1 gpm (28,000 liters, 3, 8 L/min) (Based on manufacturer"s internal testing), Pentek CC-10 Carbon Filter Materials of Construction:, Filter Media: Granular Activated Carbon, End Caps: Polystyrene, Post-Filter: Spun Polypropylene, Outer Casing: Polystyrene, Expansion Pad: Polypropylene, Gaskets: Buna-N (Top); Santoprene (Bottom), SKU: CWD1688