Cartridge filtration is one of the most versatile forms of filtration. The standard size makes for many different types of manufactured filter cartridges. The most common size is 2½” OD x 1″ ID with lengths in increments of 10″ up to 40″ in length. The second most common size is 4½” OD x 10″ or 20″ long and are used when more dirt holding capability is needed. For our discussion here, we will stick to the 2½” outside diameter cartridge.
Of the hundreds, if not thousands, of uses, some of the more common are: