Designed to improve the quality of drinking water and making it safe for drinking, the Filtrex CL2 Series GreenBlock Filter, FX20CL2 is a fantastic device that comes with a high dirt holding capacity. It is a great option for removing chlorine content, bad taste and foul smell from water. With a capacity to hold 16,000 gallons of water, this device delivers a flow rate of 2 gpm. It has been certified by NSF for delivering high standards of material safety. The technology used in its design helps in reducing the harmful Green House Gas Emissions to a great extent.