CL Series Cartridges

CL Series Omnipure Water Filter Cartridges contain granular activated carbon filters and use BB (1/4" female threaded ports) ports (ends). The CL part number 10RO means it is 10 inches long, it also has a T28, T33 or T40 at the end of its name. The T28 is a standard GAC (granular activated carbon) the T33 is a acid washed GAC which means it has increased purifying power. The T40 is the premium filter because it uses a coconut husk rather and a coal based GAC.