CARBONEX CEW Series filter cartridges provide reliable removal of chlorine, chemical contamination, and sediment from water. The depth filter media used in the outer zones of the cartridge provides efficient particulate removal. The inner zone of the cartridge is a patented extruded carbon block technology that offers significantly greater carbon removal than conventional granular carbon technology. Retrofitting granular activated carbon cartridges with CARBONEX CEW cartridges can result in better filtration performance and significantly fewer cartridge change outs. CARBONEX CEW cartridges are available in lengths up to 40 inches in multiple configurations.