Carbon Water Filter - Activated Carbon Block Filter Cartridge 20" Big Blue Carbon Filter for Chlorine, Taste, Color, and Odor Reduction Removes Chlorine from 5,000 Gallons of Water @ 3 GPM AMI Activated Carbon Filter Cartridges remove chlorine, organics, color, tannin, and objectionable tastes and odors from water. AMI 4.25" x 20" filter cartridge is the industry-standard "20-inch Big Blue" size and will fit most #20 BB filter housings. Made of Coconut Shell Carbon H-F4220AC Carbon filter is made with 100% carbon produced from coconut shells, a renewable and sustainable resource, offering superior chemical absorption compared to coal-based carbon filters. Benefits of AMI Extruded Carbon GAC Filters AMI Carbon Filters Significantly Reduce the Following Contaminants: Chlorine Chlorine By-Products - Trihalomethanes (THMs): A Group of organic chemicals suspected of being carcinogenic. Bad Tastes & Odors Turbidity (Cloudy Water) Herbicides, Pesticides, & Insecticides Volatile Organic Chemicals (VOCs): Organic Chemicals that turn into vapor. Universal Fit - Compatible with 20" Big Blue (#20BB) Filter Housings Best Tasting Water - Highest Absorption of Bad Tastes & Odors for Clean, Fresh Flavor Crystal Clear Ice & Water - Removes Color & Cloudiness 10 Micron Filtration - No carbon fines Eco-Friendly - Produced from renewable resources, using recycling programs and local sourcing Carbon Filter Specifications Model: H-F4220AC Brand: AMI Nominal Size: 20" Big Blue Actual Cartridge Dimensions: 4.25" OD x 1.125" ID x 20"L For Housing Dimensions: 7.5"OD x 23"L (Approx.) Capacity: 5,500 Gallon Chlorine Reduction @ 3 GPM Flow Rate: 3 GPM (11 LPM) Micron Rating: 10 μ (10 Micron) Carbon Type: Coconut Shell Carbon Amount of Carbon: 5.4lb (2450 g) End Caps: Polypropylene End Caps with PVC Compression Gaskets Operating Temperature: 40-100°F (4.5-37.7°C) Max. Operating Pressure: 125 psig (8.6 bar)