Industrial water filter cartridge contaminants on the outer surfaces of the filter media. These types of industrial water filter cartridges run the gamut from inexpensive bonded units to more expensive models made from a variety of high-capacity pleated types of media. These industrial water filter cartridges can be used for a wide range of applications where sub-micron filtration is needed. These include beverage and food production facilities, chemical and paint plants, and applications where the filtration of acids and bases is required. Industrial water filter cartridges are also ideal for pharmaceutical applications as well as those in which ultra-pure water filtration is required.