Aqua Filter Plus water filtration systems uses 2 pure carbon cartridges which is considered to be the most effective method for reducing water contaminants The carbon block cartridge is compacted into dense structure causing every molecule of water to be forced through microscopic pores of carbon effectively reducing pollutants. In addition our carbon cartridges contain a large amount of pure carbon-over 2 1/2 Lbs! Water that enters the filtration system has prolonged contact with carbon media resulting in highly polished water. Model AFP210CT Removes all particulate matter down to 0.5 microns including; Sediment bad Taste and Odor Volatile Organic Chemicals (VOC) Pesticides Lead Cysts Giardia Cryptosporidium Turbidity Asbestos Triahalomethanes (THM) Linden 2 4-D. The quality of our products exceeds NSF Standard No. 42 for Chlorine / taste and odor reduction. Tested according to NSF Standard No.53 metal reduction. Tested according to US-EPA Guide Standard and Protocol for Testing Microbiological Purifiers. Great tasting purified water right at your fingertips for drinking and cooking Highest capacity in the industry up to 5 000 gallons! Replace cartridges only once per year for best performance. Complete with all parts Installs in minutes! Does not waste water Does not require electricity Does not remove fluoride or other essential minerals Does not add salt or silver Does not contain cellulose which causes bacteria to live and grow Replacement Cartridges Models: FP10 & FP10L Also Available as Under-sink Model AFP210F See Upgraded Triple-Tank Model AFP310CT