The Matrikx +CTO/2 Extruded Activated Carbon Block Filter (4"x9-3/4") is a filter that has been manufactured with the technique of extrusion that allows for the production of the carbon block with more carbon with a lower pressure drop. The filter allows for the removal of carbon and organic chemicals that pollute the water. It also extends the life of the filter as it efficiently removes sediments, aqueous solutions, solvents, the smell and taste of water is improved. It has a high rating of 5 microns. The length of the filter is 4? x 9 3/4? with a capacity of 12,000 gallons.